61465716863922 has 48 divisors (see below), whose sum is σ = 143467676241120. Its totient is φ = 17504429346432.

The previous prime is 61465716863897. The next prime is 61465716863953. The reversal of 61465716863922 is 22936861756416.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340409847 + ... + 340590362.

It is an arithmetic number, because the mean of its divisors is an integer number (2988909921690).

Almost surely, 2^{61465716863922} is an apocalyptic number.

61465716863922 is an abundant number, since it is smaller than the sum of its proper divisors (82001959377198).

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

61465716863922 is a wasteful number, since it uses less digits than its factorization.

61465716863922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681000535 (or 681000528 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 66.

The spelling of 61465716863922 in words is "sixty-one trillion, four hundred sixty-five billion, seven hundred sixteen million, eight hundred sixty-three thousand, nine hundred twenty-two".