612813696 has 160 divisors (see below), whose sum is σ = 1806981000. Its totient is φ = 183997440.

The previous prime is 612813689. The next prime is 612813697. The reversal of 612813696 is 696318216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612813697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5622090 + ... + 5622198.

Almost surely, 2^612813696 is an apocalyptic number.

612813696 is a gapful number since it is divisible by the number (66) 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 612813696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903490500).

612813696 is an abundant number, since it is smaller than the sum of its proper divisors (1194167304).

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

612813696 is an equidigital number, since it uses as much as digits as its factorization.

612813696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 125 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 612813696 is about 24755.0741465260. The cubic root of 612813696 is about 849.3945843484.

The spelling of 612813696 in words is "six hundred twelve million, eight hundred thirteen thousand, six hundred ninety-six".