616164566 has 16 divisors (see below), whose sum is σ = 1006441200. Its totient is φ = 281802528.

The previous prime is 616164551. The next prime is 616164581. The reversal of 616164566 is 665461616.

It is an interprime number because it is at equal distance from previous prime (616164551) and next prime (616164581).

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 7 ways as a sum of consecutive naturals, for example, 278465 + ... + 280668.

It is an arithmetic number, because the mean of its divisors is an integer number (62902575).

Almost surely, 2^616164566 is an apocalyptic number.

616164566 is a deficient number, since it is larger than the sum of its proper divisors (390276634).

616164566 is a wasteful number, since it uses less digits than its factorization.

616164566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559183.

The product of its digits is 155520, while the sum is 41.

The square root of 616164566 is about 24822.6623471375. The cubic root of 616164566 is about 850.9399364679.

The spelling of 616164566 in words is "six hundred sixteen million, one hundred sixty-four thousand, five hundred sixty-six".