61162003665 has 80 divisors (see below), whose sum is σ = 125385055488. Its totient is φ = 27941065344.

The previous prime is 61162003663. The next prime is 61162003711. The reversal of 61162003665 is 56630026116.

61162003665 is a `hidden beast` number, since 611 + 6 + 2 + 0 + 0 + 36 + 6 + 5 = 666.

61162003665 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 61162003665 - 2¹ = 61162003663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61162003663) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4793284 + ... + 4806026.

Almost surely, 2^61162003665 is an apocalyptic number.

It is an amenable number.

61162003665 is an abundant number, since it is smaller than the sum of its proper divisors (64223051823).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61162003665 is a wasteful number, since it uses less digits than its factorization.

61162003665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460 (or 14451 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 61162003665 in words is "sixty-one billion, one hundred sixty-two million, three thousand, six hundred sixty-five".