612182157920 has 96 divisors (see below), whose sum is σ = 1450232592480. Its totient is φ = 244204646400.

The previous prime is 612182157919. The next prime is 612182157929. The reversal of 612182157920 is 29751281216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612182157929) 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 15 ways as a sum of consecutive naturals, for example, 107984846 + ... + 107990514.

It is an arithmetic number, because the mean of its divisors is an integer number (15106589505).

Almost surely, 2^612182157920 is an apocalyptic number.

It is an amenable number.

612182157920 is an abundant number, since it is smaller than the sum of its proper divisors (838050434560).

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

612182157920 is a wasteful number, since it uses less digits than its factorization.

612182157920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408 (or 7400 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 612182157920 in words is "six hundred twelve billion, one hundred eighty-two million, one hundred fifty-seven thousand, nine hundred twenty".