61465256416 has 12 divisors (see below), whose sum is σ = 121009723632. Its totient is φ = 30732628192.

The previous prime is 61465256399. The next prime is 61465256431.

61465256416 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960394600 + ... + 960394663.

It is an arithmetic number, because the mean of its divisors is an integer number (10084143636).

Almost surely, 2^61465256416 is an apocalyptic number.

It is an amenable number.

61465256416 is a deficient number, since it is larger than the sum of its proper divisors (59544467216).

61465256416 is a wasteful number, since it uses less digits than its factorization.

61465256416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920789273 (or 1920789265 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The spelling of 61465256416 in words is "sixty-one billion, four hundred sixty-five million, two hundred fifty-six thousand, four hundred sixteen".