182919273820 has 24 divisors (see below), whose sum is σ = 390427698528. Its totient is φ = 71968238400.

The previous prime is 182919273799. The next prime is 182919273851. The reversal of 182919273820 is 28372919281.

It is a happy number.

It is a super-2 number, since 2×182919273820² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74965696 + ... + 74968135.

It is an arithmetic number, because the mean of its divisors is an integer number (16267820772).

Almost surely, 2^182919273820 is an apocalyptic number.

182919273820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182919273820 is an abundant number, since it is smaller than the sum of its proper divisors (207508424708).

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

182919273820 is a wasteful number, since it uses less digits than its factorization.

182919273820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149933901 (or 149933899 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 182919273820 in words is "one hundred eighty-two billion, nine hundred nineteen million, two hundred seventy-three thousand, eight hundred twenty".