182640051 has 24 divisors (see below), whose sum is σ = 289545984. Its totient is φ = 110018160.

The previous prime is 182640019. The next prime is 182640053. The reversal of 182640051 is 150046281.

182640051 is a `hidden beast` number, since 18 + 2 + 640 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 182640051 - 2⁵ = 182640019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 182639997 and 182640024.

It is not an unprimeable number, because it can be changed into a prime (182640053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11010 + ... + 22056.

It is an arithmetic number, because the mean of its divisors is an integer number (12064416).

Almost surely, 2^182640051 is an apocalyptic number.

182640051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

182640051 is a deficient number, since it is larger than the sum of its proper divisors (106905933).

182640051 is a wasteful number, since it uses less digits than its factorization.

182640051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231 (or 11228 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 182640051 is about 13514.4386120919. The cubic root of 182640051 is about 567.3686562333.

The spelling of 182640051 in words is "one hundred eighty-two million, six hundred forty thousand, fifty-one".