165127520 has 24 divisors (see below), whose sum is σ = 390114144. Its totient is φ = 66050944.

The previous prime is 165127507. The next prime is 165127531. The reversal of 165127520 is 25721561.

165127520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165127520² = 54534195722700800, which 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 3 ways as a sum of consecutive naturals, for example, 515864 + ... + 516183.

It is an arithmetic number, because the mean of its divisors is an integer number (16254756).

Almost surely, 2^165127520 is an apocalyptic number.

165127520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165127520 is an abundant number, since it is smaller than the sum of its proper divisors (224986624).

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

165127520 is a wasteful number, since it uses less digits than its factorization.

165127520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032062 (or 1032054 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 165127520 is about 12850.1953292547. The cubic root of 165127520 is about 548.6219163395.

The spelling of 165127520 in words is "one hundred sixty-five million, one hundred twenty-seven thousand, five hundred twenty".