3900165100 has 54 divisors (see below), whose sum is σ = 9164504580. Its totient is φ = 1440054720.

The previous prime is 3900165091. The next prime is 3900165107. The reversal of 3900165100 is 15610093.

It is a super-2 number, since 2×3900165100² = 30422575614516020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (3900165107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98490 + ... + 132289.

Almost surely, 2^3900165100 is an apocalyptic number.

It is an amenable number.

3900165100 is an abundant number, since it is smaller than the sum of its proper divisors (5264339480).

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

3900165100 is a wasteful number, since it uses less digits than its factorization.

3900165100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230819 (or 230799 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 3900165100 is about 62451.3018279043. The cubic root of 3900165100 is about 1574.0831280665.

Adding to 3900165100 its reverse (15610093), we get a palindrome (3915775193).

The spelling of 3900165100 in words is "three billion, nine hundred million, one hundred sixty-five thousand, one hundred".