816952345 has 16 divisors (see below), whose sum is σ = 1077168960. Its totient is φ = 589867200.

The previous prime is 816952327. The next prime is 816952349. The reversal of 816952345 is 543259618.

It is a de Polignac number, because none of the positive numbers 2^k-816952345 is a prime.

It is a super-2 number, since 2×816952345² = 1334822268001998050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (816952349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45786 + ... + 61075.

It is an arithmetic number, because the mean of its divisors is an integer number (67323060).

Almost surely, 2^816952345 is an apocalyptic number.

It is an amenable number.

816952345 is a deficient number, since it is larger than the sum of its proper divisors (260216615).

816952345 is a wasteful number, since it uses less digits than its factorization.

816952345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107016.

The product of its digits is 259200, while the sum is 43.

The square root of 816952345 is about 28582.3782250533. The cubic root of 816952345 is about 934.8291393778.

The spelling of 816952345 in words is "eight hundred sixteen million, nine hundred fifty-two thousand, three hundred forty-five".