165515030 has 8 divisors (see below), whose sum is σ = 297927072. Its totient is φ = 66206008.

The previous prime is 165515003. The next prime is 165515047. The reversal of 165515030 is 30515561.

165515030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8275742 + ... + 8275761.

It is an arithmetic number, because the mean of its divisors is an integer number (37240884).

Almost surely, 2^165515030 is an apocalyptic number.

165515030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165515030 is a deficient number, since it is larger than the sum of its proper divisors (132412042).

165515030 is a wasteful number, since it uses less digits than its factorization.

165515030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16551510.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 165515030 is about 12865.2644745454. The cubic root of 165515030 is about 549.0507372349.

The spelling of 165515030 in words is "one hundred sixty-five million, five hundred fifteen thousand, thirty".