10185641964 has 36 divisors (see below), whose sum is σ = 25750537176. Its totient is φ = 3394752768.

The previous prime is 10185641959. The next prime is 10185641993. The reversal of 10185641964 is 46914658101.

10185641964 is a `hidden beast` number, since 1 + 0 + 18 + 564 + 19 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342972 + ... + 371484.

Almost surely, 2^10185641964 is an apocalyptic number.

It is an amenable number.

10185641964 is an abundant number, since it is smaller than the sum of its proper divisors (15564895212).

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

10185641964 is a wasteful number, since it uses less digits than its factorization.

10185641964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38446 (or 38441 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 10185641964 in words is "ten billion, one hundred eighty-five million, six hundred forty-one thousand, nine hundred sixty-four".