165501616150 has 24 divisors (see below), whose sum is σ = 331512469344. Its totient is φ = 61108288800.

The previous prime is 165501616129. The next prime is 165501616153. The reversal of 165501616150 is 51616105561.

It is a super-3 number, since 3×165501616150³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165501616153) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 127308286 + ... + 127309585.

It is an arithmetic number, because the mean of its divisors is an integer number (13813019556).

Almost surely, 2^165501616150 is an apocalyptic number.

165501616150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165501616150 is an abundant number, since it is smaller than the sum of its proper divisors (166010853194).

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

165501616150 is a wasteful number, since it uses less digits than its factorization.

165501616150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254617896 (or 254617891 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 165501616150 in words is "one hundred sixty-five billion, five hundred one million, six hundred sixteen thousand, one hundred fifty".