165216101507190 has 24 divisors (see below), whose sum is σ = 429561863918928. Its totient is φ = 44057627068560.

The previous prime is 165216101507189. The next prime is 165216101507221. The reversal of 165216101507190 is 91705101612561.

165216101507190 is a `hidden beast` number, since 1 + 6 + 5 + 2 + 1 + 610 + 15 + 0 + 7 + 19 + 0 = 666.

It is a super-2 number, since 2×165216101507190² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917867230506 + ... + 917867230685.

It is an arithmetic number, because the mean of its divisors is an integer number (17898410996622).

Almost surely, 2^{165216101507190} is an apocalyptic number.

165216101507190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165216101507190 is an abundant number, since it is smaller than the sum of its proper divisors (264345762411738).

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

165216101507190 is a wasteful number, since it uses less digits than its factorization.

165216101507190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835734461204 (or 1835734461201 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The spelling of 165216101507190 in words is "one hundred sixty-five trillion, two hundred sixteen billion, one hundred one million, five hundred seven thousand, one hundred ninety".