165213498 has 32 divisors (see below), whose sum is σ = 336853440. Its totient is φ = 54005760.

The previous prime is 165213481. The next prime is 165213509. The reversal of 165213498 is 894312561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214458 + ... + 215226.

It is an arithmetic number, because the mean of its divisors is an integer number (10526670).

Almost surely, 2^165213498 is an apocalyptic number.

165213498 is an abundant number, since it is smaller than the sum of its proper divisors (171639942).

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

165213498 is a wasteful number, since it uses less digits than its factorization.

165213498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422.

The product of its digits is 51840, while the sum is 39.

The square root of 165213498 is about 12853.5402905192. The cubic root of 165213498 is about 548.7171179768.

The spelling of 165213498 in words is "one hundred sixty-five million, two hundred thirteen thousand, four hundred ninety-eight".