616600601 has 4 divisors (see below), whose sum is σ = 617256804. Its totient is φ = 615944400.

The previous prime is 616600577. The next prime is 616600603. The reversal of 616600601 is 106006616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 511845376 + 104755225 = 22624^2 + 10235^2 .

It is a cyclic number.

It is not a de Polignac number, because 616600601 - 2²² = 612406297 is a prime.

It is a super-2 number, since 2×616600601² = 760392602307122402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616600603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326690 + ... + 328571.

It is an arithmetic number, because the mean of its divisors is an integer number (154314201).

Almost surely, 2^616600601 is an apocalyptic number.

It is an amenable number.

616600601 is a deficient number, since it is larger than the sum of its proper divisors (656203).

616600601 is an equidigital number, since it uses as much as digits as its factorization.

616600601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656202.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 616600601 is about 24831.4437961227. The cubic root of 616600601 is about 851.1406145155.

The spelling of 616600601 in words is "six hundred sixteen million, six hundred thousand, six hundred one".