351615312668 has 6 divisors (see below), whose sum is σ = 615326797176. Its totient is φ = 175807656332.

The previous prime is 351615312667. The next prime is 351615312709. The reversal of 351615312668 is 866213516153.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351615312667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43951914080 + ... + 43951914087.

It is an arithmetic number, because the mean of its divisors is an integer number (102554466196).

Almost surely, 2^351615312668 is an apocalyptic number.

It is an amenable number.

351615312668 is a deficient number, since it is larger than the sum of its proper divisors (263711484508).

351615312668 is a wasteful number, since it uses less digits than its factorization.

351615312668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87903828171 (or 87903828169 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The spelling of 351615312668 in words is "three hundred fifty-one billion, six hundred fifteen million, three hundred twelve thousand, six hundred sixty-eight".