617606651 has 8 divisors (see below), whose sum is σ = 655668720. Its totient is φ = 579737088.

The previous prime is 617606641. The next prime is 617606653. The reversal of 617606651 is 156606716.

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 617606651 - 2¹⁰ = 617605627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617606653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41486 + ... + 54371.

It is an arithmetic number, because the mean of its divisors is an integer number (81958590).

Almost surely, 2^617606651 is an apocalyptic number.

617606651 is a deficient number, since it is larger than the sum of its proper divisors (38062069).

617606651 is a wasteful number, since it uses less digits than its factorization.

617606651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96253.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 617606651 is about 24851.6931213952. The cubic root of 617606651 is about 851.6032720423.

The spelling of 617606651 in words is "six hundred seventeen million, six hundred six thousand, six hundred fifty-one".