618476791651 has 12 divisors (see below), whose sum is σ = 640775907304. Its totient is φ = 596929132800.

The previous prime is 618476791637. The next prime is 618476791687. The reversal of 618476791651 is 156197674816.

It is not a de Polignac number, because 618476791651 - 2⁷ = 618476791523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 618476791651.

It is not an unprimeable number, because it can be changed into a prime (618476798651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2162131 + ... + 2431411.

Almost surely, 2^618476791651 is an apocalyptic number.

618476791651 is a deficient number, since it is larger than the sum of its proper divisors (22299115653).

618476791651 is a wasteful number, since it uses less digits than its factorization.

618476791651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272070 (or 272041 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 61.

The spelling of 618476791651 in words is "six hundred eighteen billion, four hundred seventy-six million, seven hundred ninety-one thousand, six hundred fifty-one".