165325432140 has 144 divisors (see below), whose sum is σ = 579257995680. Its totient is φ = 37721303040.

The previous prime is 165325432093. The next prime is 165325432211. The reversal of 165325432140 is 41234523561.

165325432140 is a `hidden beast` number, since 1 + 6 + 5 + 325 + 4 + 321 + 4 + 0 = 666.

165325432140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 165325432095 and 165325432104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2422155 + ... + 2489474.

It is an arithmetic number, because the mean of its divisors is an integer number (4022624970).

Almost surely, 2^165325432140 is an apocalyptic number.

165325432140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165325432140 is an abundant number, since it is smaller than the sum of its proper divisors (413932563540).

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

165325432140 is a wasteful number, since it uses less digits than its factorization.

165325432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4911672 (or 4911667 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 165325432140 in words is "one hundred sixty-five billion, three hundred twenty-five million, four hundred thirty-two thousand, one hundred forty".