816123412363 has 8 divisors (see below), whose sum is σ = 954403459328. Its totient is φ = 683266112424.

The previous prime is 816123412361. The next prime is 816123412369. The reversal of 816123412363 is 363214321618.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 816123412363 - 2¹ = 816123412361 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816123412361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355686431 + ... + 1355687032.

It is an arithmetic number, because the mean of its divisors is an integer number (119300432416).

Almost surely, 2^816123412363 is an apocalyptic number.

816123412363 is a deficient number, since it is larger than the sum of its proper divisors (138280046965).

816123412363 is a wasteful number, since it uses less digits than its factorization.

816123412363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711373513.

The product of its digits is 124416, while the sum is 40.

The spelling of 816123412363 in words is "eight hundred sixteen billion, one hundred twenty-three million, four hundred twelve thousand, three hundred sixty-three".