351664016265 has 80 divisors (see below), whose sum is σ = 665734681920. Its totient is φ = 177102910080.

The previous prime is 351664016239. The next prime is 351664016359. The reversal of 351664016265 is 562610466153.

351664016265 is a `hidden beast` number, since 3 + 5 + 16 + 6 + 4 + 0 + 1 + 626 + 5 = 666.

It is not a de Polignac number, because 351664016265 - 2⁵ = 351664016233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 351664016265.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2287935 + ... + 2436795.

It is an arithmetic number, because the mean of its divisors is an integer number (8321683524).

Almost surely, 2^351664016265 is an apocalyptic number.

It is an amenable number.

351664016265 is a deficient number, since it is larger than the sum of its proper divisors (314070665655).

351664016265 is a wasteful number, since it uses less digits than its factorization.

351664016265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149204 (or 149195 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 351664016265 in words is "three hundred fifty-one billion, six hundred sixty-four million, sixteen thousand, two hundred sixty-five".