162042477025 has 81 divisors (see below), whose sum is σ = 239581506297. Its totient is φ = 108590539200.

The previous prime is 162042476993. The next prime is 162042477029. The reversal of 162042477025 is 520774240261.

The square root of 162042477025 is 402545.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 41766688161 + 120275788864 = 204369^2 + 346808^2 .

It is not a de Polignac number, because 162042477025 - 2⁵ = 162042476993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162042477029) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 287819394 + ... + 287819956.

Almost surely, 2^162042477025 is an apocalyptic number.

162042477025 is the 402545-th square number.

162042477025 is the 201273-rd centered octagonal number.

It is an amenable number.

162042477025 is a deficient number, since it is larger than the sum of its proper divisors (77539029272).

162042477025 is an equidigital number, since it uses as much as digits as its factorization.

162042477025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 162042477025 in words is "one hundred sixty-two billion, forty-two million, four hundred seventy-seven thousand, twenty-five".