3161897937 has 40 divisors (see below), whose sum is σ = 5292040512. Its totient is φ = 1864490400.

The previous prime is 3161897933. The next prime is 3161897951. The reversal of 3161897937 is 7397981613.

It is not a de Polignac number, because 3161897937 - 2² = 3161897933 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3161897933) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14989 + ... + 80922.

Almost surely, 2^3161897937 is an apocalyptic number.

3161897937 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3161897937 is a deficient number, since it is larger than the sum of its proper divisors (2130142575).

3161897937 is a wasteful number, since it uses less digits than its factorization.

3161897937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95971 (or 95962 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 3161897937 is about 56230.7561482148. The cubic root of 3161897937 is about 1467.7405146431.

The spelling of 3161897937 in words is "three billion, one hundred sixty-one million, eight hundred ninety-seven thousand, nine hundred thirty-seven".