105640122663604 has 48 divisors (see below), whose sum is σ = 190039164456960. Its totient is φ = 51358269582560.

The previous prime is 105640122663589. The next prime is 105640122663613. The reversal of 105640122663604 is 406366221046501.

It is a super-2 number, since 2×105640122663604² (a number of 29 digits) 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 15 ways as a sum of consecutive naturals, for example, 55929177 + ... + 57787135.

It is an arithmetic number, because the mean of its divisors is an integer number (3959149259520).

Almost surely, 2^{105640122663604} is an apocalyptic number.

It is an amenable number.

105640122663604 is a deficient number, since it is larger than the sum of its proper divisors (84399041793356).

105640122663604 is a wasteful number, since it uses less digits than its factorization.

105640122663604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859988 (or 1859986 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 105640122663604 in words is "one hundred five trillion, six hundred forty billion, one hundred twenty-two million, six hundred sixty-three thousand, six hundred four".