166104653 has 24 divisors (see below), whose sum is σ = 200309088. Its totient is φ = 135792000.

The previous prime is 166104619. The next prime is 166104667. The reversal of 166104653 is 356401661.

It is not a de Polignac number, because 166104653 - 2¹⁶ = 166039117 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166104613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240038 + ... + 240728.

It is an arithmetic number, because the mean of its divisors is an integer number (8346212).

Almost surely, 2^166104653 is an apocalyptic number.

166104653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

166104653 is a deficient number, since it is larger than the sum of its proper divisors (34204435).

166104653 is a wasteful number, since it uses less digits than its factorization.

166104653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 166104653 is about 12888.1594108701. The cubic root of 166104653 is about 549.7019354671.

The spelling of 166104653 in words is "one hundred sixty-six million, one hundred four thousand, six hundred fifty-three".