61468686416 has 10 divisors (see below), whose sum is σ = 119095579962. Its totient is φ = 30734343200.

The previous prime is 61468686359. The next prime is 61468686449.

61468686416 is nontrivially palindromic in base 10.

61468686416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 58808190016 + 2660496400 = 242504^2 + 51580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920896435 + ... + 1920896466.

Almost surely, 2^61468686416 is an apocalyptic number.

It is an amenable number.

61468686416 is a deficient number, since it is larger than the sum of its proper divisors (57626893546).

61468686416 is a wasteful number, since it uses less digits than its factorization.

61468686416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841792909 (or 3841792903 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 56.

The spelling of 61468686416 in words is "sixty-one billion, four hundred sixty-eight million, six hundred eighty-six thousand, four hundred sixteen".