10165936545 has 12 divisors (see below), whose sum is σ = 17620956756. Its totient is φ = 5421832800.

The previous prime is 10165936523. The next prime is 10165936559. The reversal of 10165936545 is 54563956101.

10165936545 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 593 + 6 + 54 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3320525376 + 6845411169 = 57624^2 + 82737^2 .

It is not a de Polignac number, because 10165936545 - 2¹⁴ = 10165920161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 225909701 = 10165936545 / (1 + 0 + 1 + 6 + 5 + 9 + 3 + 6 + 5 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 10165936545.

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, 112954806 + ... + 112954895.

It is an arithmetic number, because the mean of its divisors is an integer number (1468413063).

Almost surely, 2^10165936545 is an apocalyptic number.

10165936545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10165936545 is a deficient number, since it is larger than the sum of its proper divisors (7455020211).

10165936545 is a wasteful number, since it uses less digits than its factorization.

10165936545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225909712 (or 225909709 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 10165936545 in words is "ten billion, one hundred sixty-five million, nine hundred thirty-six thousand, five hundred forty-five".