10185909915964 has 12 divisors (see below), whose sum is σ = 17825446218888. Its totient is φ = 5092925282000.

The previous prime is 10185909915911. The next prime is 10185909915977. The reversal of 10185909915964 is 46951990958101.

It is a super-2 number, since 2×10185909915964² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10185909915964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6637567 + ... + 8026774.

It is an arithmetic number, because the mean of its divisors is an integer number (1485453851574).

Almost surely, 2^{10185909915964} is an apocalyptic number.

It is an amenable number.

10185909915964 is a deficient number, since it is larger than the sum of its proper divisors (7639536302924).

10185909915964 is a wasteful number, since it uses less digits than its factorization.

10185909915964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14837996 (or 14837994 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 67.

The spelling of 10185909915964 in words is "ten trillion, one hundred eighty-five billion, nine hundred nine million, nine hundred fifteen thousand, nine hundred sixty-four".