662268456025 has 18 divisors (see below), whose sum is σ = 902655489806. Its totient is φ = 481649784000.

The previous prime is 662268455999. The next prime is 662268456029. The reversal of 662268456025 is 520654862266.

It can be written as a sum of positive squares in 3 ways, for example, as 27805229001 + 634463227024 = 166749^2 + 796532^2 .

It is not a de Polignac number, because 662268456025 - 2²⁵ = 662234901593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662268456029) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 109462836 + ... + 109468885.

Almost surely, 2^662268456025 is an apocalyptic number.

It is an amenable number.

662268456025 is a deficient number, since it is larger than the sum of its proper divisors (240387033781).

662268456025 is a wasteful number, since it uses less digits than its factorization.

662268456025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218931753 (or 218931737 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 662268456025 in words is "six hundred sixty-two billion, two hundred sixty-eight million, four hundred fifty-six thousand, twenty-five".