3157432664 has 8 divisors (see below), whose sum is σ = 5920186260. Its totient is φ = 1578716328.

The previous prime is 3157432637. The next prime is 3157432699. The reversal of 3157432664 is 4662347513.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197339534 + ... + 197339549.

Almost surely, 2^3157432664 is an apocalyptic number.

It is an amenable number.

3157432664 is a deficient number, since it is larger than the sum of its proper divisors (2762753596).

3157432664 is a wasteful number, since it uses less digits than its factorization.

3157432664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394679089 (or 394679085 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 3157432664 is about 56191.0372212509. The cubic root of 3157432664 is about 1467.0492684576.

The spelling of 3157432664 in words is "three billion, one hundred fifty-seven million, four hundred thirty-two thousand, six hundred sixty-four".