612664080 has 160 divisors (see below), whose sum is σ = 2203382784. Its totient is φ = 137922048.

The previous prime is 612664079. The next prime is 612664097. The reversal of 612664080 is 80466216.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109839 + ... + 115281.

Almost surely, 2^612664080 is an apocalyptic number.

612664080 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 612664080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101691392).

612664080 is an abundant number, since it is smaller than the sum of its proper divisors (1590718704).

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

612664080 is a wasteful number, since it uses less digits than its factorization.

612664080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533 (or 5527 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 612664080 is about 24752.0520361444. The cubic root of 612664080 is about 849.3254532979.

The spelling of 612664080 in words is "six hundred twelve million, six hundred sixty-four thousand, eighty".