166272736 has 24 divisors (see below), whose sum is σ = 374114160. Its totient is φ = 71259648.

The previous prime is 166272721. The next prime is 166272751. The reversal of 166272736 is 637272661.

166272736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166272721) and next prime (166272751).

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, 370921 + ... + 371368.

It is an arithmetic number, because the mean of its divisors is an integer number (15588090).

Almost surely, 2^166272736 is an apocalyptic number.

166272736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166272736 is an abundant number, since it is smaller than the sum of its proper divisors (207841424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166272736 is an equidigital number, since it uses as much as digits as its factorization.

166272736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742306 (or 742298 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 166272736 is about 12894.6785923496. The cubic root of 166272736 is about 549.8872893006.

The spelling of 166272736 in words is "one hundred sixty-six million, two hundred seventy-two thousand, seven hundred thirty-six".