165562311402 has 12 divisors (see below), whose sum is σ = 358718341410. Its totient is φ = 55187437128.

The previous prime is 165562311401. The next prime is 165562311407. The reversal of 165562311402 is 204113265561.

165562311402 is a `hidden beast` number, since 1 + 65 + 562 + 31 + 1 + 4 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 95290133481 + 70272177921 = 308691^2 + 265089^2 .

It is not an unprimeable number, because it can be changed into a prime (165562311401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4598953077 + ... + 4598953112.

Almost surely, 2^165562311402 is an apocalyptic number.

165562311402 is an abundant number, since it is smaller than the sum of its proper divisors (193156030008).

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

165562311402 is a wasteful number, since it uses less digits than its factorization.

165562311402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197906197 (or 9197906194 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 165562311402 its reverse (204113265561), we get a palindrome (369675576963).

The spelling of 165562311402 in words is "one hundred sixty-five billion, five hundred sixty-two million, three hundred eleven thousand, four hundred two".