61460544516 has 72 divisors (see below), whose sum is σ = 174102833856. Its totient is φ = 16527198720.

The previous prime is 61460544503. The next prime is 61460544521. The reversal of 61460544516 is 61544506416.

It is a happy number.

61460544516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1241595 + ... + 1290146.

Almost surely, 2^61460544516 is an apocalyptic number.

It is an amenable number.

61460544516 is an abundant number, since it is smaller than the sum of its proper divisors (112642289340).

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

61460544516 is a wasteful number, since it uses less digits than its factorization.

61460544516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531789 (or 2531770 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 61460544516 in words is "sixty-one billion, four hundred sixty million, five hundred forty-four thousand, five hundred sixteen".