616167612 has 36 divisors (see below), whose sum is σ = 1586927160. Its totient is φ = 201513312.

The previous prime is 616167589. The next prime is 616167641. The reversal of 616167612 is 216761616.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 159562 + ... + 163377.

It is an arithmetic number, because the mean of its divisors is an integer number (44081310).

Almost surely, 2^616167612 is an apocalyptic number.

It is an amenable number.

616167612 is an abundant number, since it is smaller than the sum of its proper divisors (970759548).

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

616167612 is a wasteful number, since it uses less digits than its factorization.

616167612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323002 (or 322997 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 616167612 is about 24822.7237022854. The cubic root of 616167612 is about 850.9413386684.

The spelling of 616167612 in words is "six hundred sixteen million, one hundred sixty-seven thousand, six hundred twelve".