61465722756416 has 56 divisors (see below), whose sum is σ = 133060244806080. Its totient is φ = 27938770764800.

The previous prime is 61465722756359. The next prime is 61465722756433.

61465722756416 is nontrivially palindromic in base 10.

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, 165119621 + ... + 165491451.

Almost surely, 2^{61465722756416} is an apocalyptic number.

It is an amenable number.

61465722756416 is an abundant number, since it is smaller than the sum of its proper divisors (71594522049664).

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

61465722756416 is a wasteful number, since it uses less digits than its factorization.

61465722756416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606663 (or 606653 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 62.

The spelling of 61465722756416 in words is "sixty-one trillion, four hundred sixty-five billion, seven hundred twenty-two million, seven hundred fifty-six thousand, four hundred sixteen".