816555341 has 4 divisors (see below), whose sum is σ = 933206112. Its totient is φ = 699904572.

The previous prime is 816555323. The next prime is 816555359. The reversal of 816555341 is 143555618.

816555341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143555618 = 2 ⋅71777809.

It is an interprime number because it is at equal distance from previous prime (816555323) and next prime (816555359).

It is a cyclic number.

It is not a de Polignac number, because 816555341 - 2⁶ = 816555277 is a prime.

It is a super-3 number, since 3×816555341³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 816555295 and 816555304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816551341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58325375 + ... + 58325388.

It is an arithmetic number, because the mean of its divisors is an integer number (233301528).

Almost surely, 2^816555341 is an apocalyptic number.

It is an amenable number.

816555341 is a deficient number, since it is larger than the sum of its proper divisors (116650771).

816555341 is a wasteful number, since it uses less digits than its factorization.

816555341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116650770.

The product of its digits is 72000, while the sum is 38.

The square root of 816555341 is about 28575.4324726678. The cubic root of 816555341 is about 934.6776858101.

The spelling of 816555341 in words is "eight hundred sixteen million, five hundred fifty-five thousand, three hundred forty-one".