165715098 has 16 divisors (see below), whose sum is σ = 334472160. Its totient is φ = 54731376.

The previous prime is 165715079. The next prime is 165715103. The reversal of 165715098 is 890517561.

It is a super-2 number, since 2×165715098² = 54922987410299208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126040 + ... + 127347.

It is an arithmetic number, because the mean of its divisors is an integer number (20904510).

Almost surely, 2^165715098 is an apocalyptic number.

165715098 is an abundant number, since it is smaller than the sum of its proper divisors (168757062).

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

165715098 is a wasteful number, since it uses less digits than its factorization.

165715098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253501.

The product of its (nonzero) digits is 75600, while the sum is 42.

The square root of 165715098 is about 12873.0376368595. The cubic root of 165715098 is about 549.2718717402.

The spelling of 165715098 in words is "one hundred sixty-five million, seven hundred fifteen thousand, ninety-eight".