325168618457 has 4 divisors (see below), whose sum is σ = 328207577616. Its totient is φ = 322129659300.

The previous prime is 325168618451. The next prime is 325168618469. The reversal of 325168618457 is 754816861523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754816861523 = 521 ⋅1448784763.

It is a cyclic number.

It is not a de Polignac number, because 325168618457 - 2⁴ = 325168618441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325168618451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519479419 + ... + 1519479632.

It is an arithmetic number, because the mean of its divisors is an integer number (82051894404).

Almost surely, 2^325168618457 is an apocalyptic number.

It is an amenable number.

325168618457 is a deficient number, since it is larger than the sum of its proper divisors (3038959159).

325168618457 is a wasteful number, since it uses less digits than its factorization.

325168618457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038959158.

The product of its digits is 9676800, while the sum is 56.

The spelling of 325168618457 in words is "three hundred twenty-five billion, one hundred sixty-eight million, six hundred eighteen thousand, four hundred fifty-seven".