616696601 has 4 divisors (see below), whose sum is σ = 617130192. Its totient is φ = 616263012.

The previous prime is 616696589. The next prime is 616696637. The reversal of 616696601 is 106696616.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 616696601 - 2¹⁰ = 616695577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616696651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214655 + ... + 217508.

It is an arithmetic number, because the mean of its divisors is an integer number (154282548).

Almost surely, 2^616696601 is an apocalyptic number.

It is an amenable number.

616696601 is a deficient number, since it is larger than the sum of its proper divisors (433591).

616696601 is a wasteful number, since it uses less digits than its factorization.

616696601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433590.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 616696601 is about 24833.3767538770. The cubic root of 616696601 is about 851.1847842523.

The spelling of 616696601 in words is "six hundred sixteen million, six hundred ninety-six thousand, six hundred one".