616552801 has 8 divisors (see below), whose sum is σ = 624526560. Its totient is φ = 608592192.

The previous prime is 616552799. The next prime is 616552819. The reversal of 616552801 is 108255616.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 616552801 - 2¹ = 616552799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616552861) by changing a digit.

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, 120585 + ... + 125593.

It is an arithmetic number, because the mean of its divisors is an integer number (78065820).

Almost surely, 2^616552801 is an apocalyptic number.

It is an amenable number.

616552801 is a deficient number, since it is larger than the sum of its proper divisors (7973759).

616552801 is a wasteful number, since it uses less digits than its factorization.

616552801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 616552801 is about 24830.4812881265. The cubic root of 616552801 is about 851.1186199576.

The spelling of 616552801 in words is "six hundred sixteen million, five hundred fifty-two thousand, eight hundred one".