61975901086 has 16 divisors (see below), whose sum is σ = 101462822640. Its totient is φ = 28157610880.

The previous prime is 61975901069. The next prime is 61975901093. The reversal of 61975901086 is 68010957916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614761 + ... + 708436.

It is an arithmetic number, because the mean of its divisors is an integer number (6341426415).

Almost surely, 2^61975901086 is an apocalyptic number.

61975901086 is a deficient number, since it is larger than the sum of its proper divisors (39486921554).

61975901086 is a wasteful number, since it uses less digits than its factorization.

61975901086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325339.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 61975901086 in words is "sixty-one billion, nine hundred seventy-five million, nine hundred one thousand, eighty-six".