10155664845 has 32 divisors (see below), whose sum is σ = 18158918400. Its totient is φ = 5385033792.

The previous prime is 10155664823. The next prime is 10155664847. The reversal of 10155664845 is 54846655101.

10155664845 is a `hidden beast` number, since 1 + 0 + 1 + 5 + 566 + 4 + 84 + 5 = 666.

It is not a de Polignac number, because 10155664845 - 2²⁸ = 9887229389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10155664845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155664847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194065 + ... + 240774.

It is an arithmetic number, because the mean of its divisors is an integer number (567466200).

Almost surely, 2^10155664845 is an apocalyptic number.

10155664845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10155664845 is a deficient number, since it is larger than the sum of its proper divisors (8003253555).

10155664845 is a wasteful number, since it uses less digits than its factorization.

10155664845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435026 (or 435020 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 10155664845 in words is "ten billion, one hundred fifty-five million, six hundred sixty-four thousand, eight hundred forty-five".