816337945752 has 32 divisors (see below), whose sum is σ = 2332394131200. Its totient is φ = 233239413024.

The previous prime is 816337945747. The next prime is 816337945763. The reversal of 816337945752 is 257549733618.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429577052 + ... + 2429577387.

It is an arithmetic number, because the mean of its divisors is an integer number (72887316600).

Almost surely, 2^816337945752 is an apocalyptic number.

It is an amenable number.

816337945752 is an abundant number, since it is smaller than the sum of its proper divisors (1516056185448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816337945752 is a wasteful number, since it uses less digits than its factorization.

816337945752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859154455 (or 4859154451 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 816337945752 in words is "eight hundred sixteen billion, three hundred thirty-seven million, nine hundred forty-five thousand, seven hundred fifty-two".