61077070160 has 60 divisors (see below), whose sum is σ = 149871527028. Its totient is φ = 23144984064.

The previous prime is 61077070129. The next prime is 61077070163. The reversal of 61077070160 is 6107077016.

It can be written as a sum of positive squares in 2 ways, for example, as 34078636816 + 26998433344 = 184604^2 + 164312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61077070160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61077070163) 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, 1028549 + ... + 1086308.

Almost surely, 2^61077070160 is an apocalyptic number.

It is an amenable number.

61077070160 is an abundant number, since it is smaller than the sum of its proper divisors (88794456868).

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

61077070160 is a wasteful number, since it uses less digits than its factorization.

61077070160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114908 (or 2114883 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 35.

The spelling of 61077070160 in words is "sixty-one billion, seventy-seven million, seventy thousand, one hundred sixty".