165111460 has 24 divisors (see below), whose sum is σ = 350312760. Its totient is φ = 65362944.

The previous prime is 165111451. The next prime is 165111461. The reversal of 165111460 is 64111561.

It can be written as a sum of positive squares in 4 ways, for example, as 10705984 + 154405476 = 3272^2 + 12426^2 .

It is not an unprimeable number, because it can be changed into a prime (165111461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40615 + ... + 44494.

It is an arithmetic number, because the mean of its divisors is an integer number (14596365).

Almost surely, 2^165111460 is an apocalyptic number.

165111460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165111460 is an abundant number, since it is smaller than the sum of its proper divisors (185201300).

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

165111460 is a wasteful number, since it uses less digits than its factorization.

165111460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85215 (or 85213 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 165111460 is about 12849.5704208351. The cubic root of 165111460 is about 548.6041297754.

It can be divided in two parts, 16511 and 1460, that added together give a palindrome (17971).

The spelling of 165111460 in words is "one hundred sixty-five million, one hundred eleven thousand, four hundred sixty".