726161655312045 has 96 divisors (see below), whose sum is σ = 1320725778997248. Its totient is φ = 368608968000000.

The previous prime is 726161655311951. The next prime is 726161655312053. The reversal of 726161655312045 is 540213556161627.

726161655312045 is a `hidden beast` number, since 7 + 2 + 6 + 1 + 6 + 1 + 65 + 531 + 2 + 0 + 45 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-726161655312045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726161655311982 and 726161655312000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 791861295 + ... + 792777795.

It is an arithmetic number, because the mean of its divisors is an integer number (13757560197888).

Almost surely, 2^{726161655312045} is an apocalyptic number.

It is an amenable number.

726161655312045 is a deficient number, since it is larger than the sum of its proper divisors (594564123685203).

726161655312045 is a wasteful number, since it uses less digits than its factorization.

726161655312045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925915 (or 925912 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 726161655312045 in words is "seven hundred twenty-six trillion, one hundred sixty-one billion, six hundred fifty-five million, three hundred twelve thousand, forty-five".