660153084651 has 6 divisors (see below), whose sum is σ = 953554455620. Its totient is φ = 440102056428.

The previous prime is 660153084587. The next prime is 660153084653. The reversal of 660153084651 is 156480351066.

660153084651 is a `hidden beast` number, since 6 + 60 + 1 + 530 + 8 + 4 + 6 + 51 = 666.

660153084651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 660153084651 - 2⁶ = 660153084587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660153084597 and 660153084606.

It is not an unprimeable number, because it can be changed into a prime (660153084653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36675171361 + ... + 36675171378.

Almost surely, 2^660153084651 is an apocalyptic number.

660153084651 is a deficient number, since it is larger than the sum of its proper divisors (293401370969).

660153084651 is a wasteful number, since it uses less digits than its factorization.

660153084651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73350342745 (or 73350342742 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 660153084651 in words is "six hundred sixty billion, one hundred fifty-three million, eighty-four thousand, six hundred fifty-one".