235572388164 has 81 divisors (see below), whose sum is σ = 610662167479. Its totient is φ = 76570078080.

The previous prime is 235572388157. The next prime is 235572388187. The reversal of 235572388164 is 461883275532.

The square root of 235572388164 is 485358.

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

235572388164 is a `hidden beast` number, since 2 + 3 + 5 + 572 + 3 + 8 + 8 + 1 + 64 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 136981412100 + 98590976064 = 370110^2 + 313992^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235572388164.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 119397082 + ... + 119399054.

Almost surely, 2^235572388164 is an apocalyptic number.

235572388164 is the 485358-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235572388164

235572388164 is an abundant number, since it is smaller than the sum of its proper divisors (375089779315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235572388164 is an equidigital number, since it uses as much as digits as its factorization.

235572388164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038 (or 2019 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 235572388164 in words is "two hundred thirty-five billion, five hundred seventy-two million, three hundred eighty-eight thousand, one hundred sixty-four".