61757475716 has 12 divisors (see below), whose sum is σ = 111561891840. Its totient is φ = 29882649480.

The previous prime is 61757475709. The next prime is 61757475727.

61757475716 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249021956 + ... + 249022203.

It is an arithmetic number, because the mean of its divisors is an integer number (9296824320).

Almost surely, 2^61757475716 is an apocalyptic number.

It is an amenable number.

61757475716 is a deficient number, since it is larger than the sum of its proper divisors (49804416124).

61757475716 is a wasteful number, since it uses less digits than its factorization.

61757475716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498044194 (or 498044192 counting only the distinct ones).

The product of its digits is 8643600, while the sum is 56.

The spelling of 61757475716 in words is "sixty-one billion, seven hundred fifty-seven million, four hundred seventy-five thousand, seven hundred sixteen".