165147065500 has 24 divisors (see below), whose sum is σ = 360681192144. Its totient is φ = 66058826000.

The previous prime is 165147065477. The next prime is 165147065519. The reversal of 165147065500 is 5560741561.

It is a super-2 number, since 2×165147065500² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165146566 + ... + 165147565.

It is an arithmetic number, because the mean of its divisors is an integer number (15028383006).

Almost surely, 2^165147065500 is an apocalyptic number.

165147065500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165147065500 is an abundant number, since it is smaller than the sum of its proper divisors (195534126644).

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

165147065500 is a wasteful number, since it uses less digits than its factorization.

165147065500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330294150 (or 330294138 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 165147065500 in words is "one hundred sixty-five billion, one hundred forty-seven million, sixty-five thousand, five hundred".