61614001464 has 16 divisors (see below), whose sum is σ = 154035003720. Its totient is φ = 20538000480.

The previous prime is 61614001409. The next prime is 61614001487. The reversal of 61614001464 is 46410041616.

61614001464 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, 1283625007 + ... + 1283625054.

Almost surely, 2^61614001464 is an apocalyptic number.

It is an amenable number.

61614001464 is an abundant number, since it is smaller than the sum of its proper divisors (92421002256).

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

61614001464 is a wasteful number, since it uses less digits than its factorization.

61614001464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567250070 (or 2567250066 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 61614001464 in words is "sixty-one billion, six hundred fourteen million, one thousand, four hundred sixty-four".