3957602166 has 160 divisors (see below), whose sum is σ = 10572976128. Its totient is φ = 1082652480.

The previous prime is 3957602153. The next prime is 3957602179. The reversal of 3957602166 is 6612067593.

3957602166 is a `hidden beast` number, since 39 + 5 + 7 + 602 + 1 + 6 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (3957602153) and next prime (3957602179).

It is a super-2 number, since 2×3957602166² = 31325229808655783112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3620316 + ... + 3621408.

Almost surely, 2^3957602166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3957602166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5286488064).

3957602166 is an abundant number, since it is smaller than the sum of its proper divisors (6615373962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3957602166 is a wasteful number, since it uses less digits than its factorization.

3957602166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 3957602166 is about 62909.4759634826. The cubic root of 3957602166 is about 1581.7725881302.

The spelling of 3957602166 in words is "three billion, nine hundred fifty-seven million, six hundred two thousand, one hundred sixty-six".