1620727524325 has 144 divisors (see below), whose sum is σ = 2582334511680. Its totient is φ = 999624084480.

The previous prime is 1620727524289. The next prime is 1620727524373. The reversal of 1620727524325 is 5234257270261.

It is a happy number.

It is not a de Polignac number, because 1620727524325 - 2⁷ = 1620727524197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 312939586 + ... + 312944764.

Almost surely, 2^{1620727524325} is an apocalyptic number.

It is an amenable number.

1620727524325 is a deficient number, since it is larger than the sum of its proper divisors (961606987355).

1620727524325 is a wasteful number, since it uses less digits than its factorization.

1620727524325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716 (or 5704 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 1620727524325 in words is "one trillion, six hundred twenty billion, seven hundred twenty-seven million, five hundred twenty-four thousand, three hundred twenty-five".