612160920 has 144 divisors (see below), whose sum is σ = 2314409760. Its totient is φ = 139918464.

The previous prime is 612160903. The next prime is 612160949. The reversal of 612160920 is 29061216.

612160920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 289 + ... + 34991.

It is an arithmetic number, because the mean of its divisors is an integer number (16072290).

Almost surely, 2^612160920 is an apocalyptic number.

612160920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612160920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157204880).

612160920 is an abundant number, since it is smaller than the sum of its proper divisors (1702248840).

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

612160920 is a wasteful number, since it uses less digits than its factorization.

612160920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34734 (or 34720 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 612160920 is about 24741.8859426682. The cubic root of 612160920 is about 849.0928823286.

The spelling of 612160920 in words is "six hundred twelve million, one hundred sixty thousand, nine hundred twenty".