351690123568 has 40 divisors (see below), whose sum is σ = 791941455360. Its totient is φ = 148169686080.

The previous prime is 351690123563. The next prime is 351690123571. The reversal of 351690123568 is 865321096153.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (351690123563) 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, 26604328 + ... + 26617543.

It is an arithmetic number, because the mean of its divisors is an integer number (19798536384).

Almost surely, 2^351690123568 is an apocalyptic number.

It is an amenable number.

351690123568 is an abundant number, since it is smaller than the sum of its proper divisors (440251331792).

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

351690123568 is a wasteful number, since it uses less digits than its factorization.

351690123568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53221945 (or 53221939 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 351690123568 in words is "three hundred fifty-one billion, six hundred ninety million, one hundred twenty-three thousand, five hundred sixty-eight".