351082631661 has 8 divisors (see below), whose sum is σ = 476044246560. Its totient is φ = 230088052272.

The previous prime is 351082631651. The next prime is 351082631663. The reversal of 351082631661 is 166136280153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 351082631661 - 2²⁵ = 351049077229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351082631663) 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 in 7 ways as a sum of consecutive naturals, for example, 991758670 + ... + 991759023.

It is an arithmetic number, because the mean of its divisors is an integer number (59505530820).

Almost surely, 2^351082631661 is an apocalyptic number.

It is an amenable number.

351082631661 is a deficient number, since it is larger than the sum of its proper divisors (124961614899).

351082631661 is a wasteful number, since it uses less digits than its factorization.

351082631661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983517755.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 351082631661 in words is "three hundred fifty-one billion, eighty-two million, six hundred thirty-one thousand, six hundred sixty-one".