351161672 has 32 divisors (see below), whose sum is σ = 678699000. Its totient is φ = 170210304.

The previous prime is 351161651. The next prime is 351161683. The reversal of 351161672 is 276161153.

It can be written as a sum of positive squares in 4 ways, for example, as 350962756 + 198916 = 18734^2 + 446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84704 + ... + 88752.

Almost surely, 2^351161672 is an apocalyptic number.

It is an amenable number.

351161672 is a deficient number, since it is larger than the sum of its proper divisors (327537328).

351161672 is a wasteful number, since it uses less digits than its factorization.

351161672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385 (or 4381 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 351161672 is about 18739.3082049472. The cubic root of 351161672 is about 705.5086931057.

The spelling of 351161672 in words is "three hundred fifty-one million, one hundred sixty-one thousand, six hundred seventy-two".