100646164 has 6 divisors (see below), whose sum is σ = 176130794. Its totient is φ = 50323080.

The previous prime is 100646159. The next prime is 100646191. The reversal of 100646164 is 461646001.

It can be written as a sum of positive squares in only one way, i.e., 94245264 + 6400900 = 9708^2 + 2530^2 .

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, 12580767 + ... + 12580774.

Almost surely, 2^100646164 is an apocalyptic number.

It is an amenable number.

100646164 is a deficient number, since it is larger than the sum of its proper divisors (75484630).

100646164 is a wasteful number, since it uses less digits than its factorization.

100646164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25161545 (or 25161543 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 100646164 is about 10032.2561769524. The cubic root of 100646164 is about 465.1564802684.

The spelling of 100646164 in words is "one hundred million, six hundred forty-six thousand, one hundred sixty-four".