182640599947 has 32 divisors (see below), whose sum is σ = 204030869504. Its totient is φ = 162397872000.

The previous prime is 182640599893. The next prime is 182640599969. The reversal of 182640599947 is 749995046281.

It is a de Polignac number, because none of the positive numbers 2^k-182640599947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182640599987) 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, 22293622 + ... + 22301812.

It is an arithmetic number, because the mean of its divisors is an integer number (6375964672).

Almost surely, 2^182640599947 is an apocalyptic number.

182640599947 is a deficient number, since it is larger than the sum of its proper divisors (21390269557).

182640599947 is a wasteful number, since it uses less digits than its factorization.

182640599947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8699.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 182640599947 in words is "one hundred eighty-two billion, six hundred forty million, five hundred ninety-nine thousand, nine hundred forty-seven".