61896560536 has 16 divisors (see below), whose sum is σ = 116507634840. Its totient is φ = 30827857920.

The previous prime is 61896560483. The next prime is 61896560563. The reversal of 61896560536 is 63506569816.

61896560536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15050610 + ... + 15054721.

Almost surely, 2^61896560536 is an apocalyptic number.

It is an amenable number.

61896560536 is a deficient number, since it is larger than the sum of its proper divisors (54611074304).

61896560536 is a wasteful number, since it uses less digits than its factorization.

61896560536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30105594 (or 30105590 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 61896560536 in words is "sixty-one billion, eight hundred ninety-six million, five hundred sixty thousand, five hundred thirty-six".