182727291021 has 96 divisors (see below), whose sum is σ = 291729494784. Its totient is φ = 101365862400.

The previous prime is 182727291013. The next prime is 182727291073. The reversal of 182727291021 is 120192727281.

It is a happy number.

It is not a de Polignac number, because 182727291021 - 2³ = 182727291013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182727291091) 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 95 ways as a sum of consecutive naturals, for example, 18838845 + ... + 18848541.

It is an arithmetic number, because the mean of its divisors is an integer number (3038848904).

Almost surely, 2^182727291021 is an apocalyptic number.

182727291021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

182727291021 is a deficient number, since it is larger than the sum of its proper divisors (109002203763).

182727291021 is a wasteful number, since it uses less digits than its factorization.

182727291021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843 (or 9832 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 182727291021 in words is "one hundred eighty-two billion, seven hundred twenty-seven million, two hundred ninety-one thousand, twenty-one".