612967616 has 56 divisors (see below), whose sum is σ = 1238554800. Its totient is φ = 300941312.

The previous prime is 612967613. The next prime is 612967633. The reversal of 612967616 is 616769216.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (612967613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364960 + ... + 1365408.

It is an arithmetic number, because the mean of its divisors is an integer number (22117050).

Almost surely, 2^612967616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612967616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619277400).

612967616 is an abundant number, since it is smaller than the sum of its proper divisors (625587184).

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

612967616 is a wasteful number, since it uses less digits than its factorization.

612967616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 791 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 612967616 is about 24758.1828089220. The cubic root of 612967616 is about 849.4656923491.

The spelling of 612967616 in words is "six hundred twelve million, nine hundred sixty-seven thousand, six hundred sixteen".