720015350644664 has 16 divisors (see below), whose sum is σ = 1381424800656120. Its totient is φ = 351635403803040.

The previous prime is 720015350644651. The next prime is 720015350644703. The reversal of 720015350644664 is 466446053510027.

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, 1046533939547 + ... + 1046533940234.

Almost surely, 2^{720015350644664} is an apocalyptic number.

It is an amenable number.

720015350644664 is a deficient number, since it is larger than the sum of its proper divisors (661409450011456).

720015350644664 is a wasteful number, since it uses less digits than its factorization.

720015350644664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093067879830 (or 2093067879826 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 53.

The spelling of 720015350644664 in words is "seven hundred twenty trillion, fifteen billion, three hundred fifty million, six hundred forty-four thousand, six hundred sixty-four".