351080677665 has 12 divisors (see below), whose sum is σ = 608539841364. Its totient is φ = 187243028064.

The previous prime is 351080677643. The next prime is 351080677709. The reversal of 351080677665 is 566776080153.

351080677665 is a `hidden beast` number, since 3 + 510 + 8 + 0 + 67 + 7 + 6 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111481196544 + 239599481121 = 333888^2 + 489489^2 .

It is not a de Polignac number, because 351080677665 - 2⁹ = 351080677153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3900896374 + ... + 3900896463.

It is an arithmetic number, because the mean of its divisors is an integer number (50711653447).

Almost surely, 2^351080677665 is an apocalyptic number.

It is an amenable number.

351080677665 is a deficient number, since it is larger than the sum of its proper divisors (257459163699).

351080677665 is a wasteful number, since it uses less digits than its factorization.

351080677665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801792848 (or 7801792845 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 351080677665 in words is "three hundred fifty-one billion, eighty million, six hundred seventy-seven thousand, six hundred sixty-five".