165460000 has 60 divisors (see below), whose sum is σ = 407105622. Its totient is φ = 66176000.

The previous prime is 165459991. The next prime is 165460019. The reversal of 165460000 is 64561.

It can be written as a sum of positive squares in 5 ways, for example, as 9809424 + 155650576 = 3132^2 + 12476^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15864 + ... + 24136.

Almost surely, 2^165460000 is an apocalyptic number.

165460000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165460000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203552811).

165460000 is an abundant number, since it is smaller than the sum of its proper divisors (241645622).

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

165460000 is an frugal number, since it uses more digits than its factorization.

165460000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303 (or 8280 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 165460000 is about 12863.1255921724. The cubic root of 165460000 is about 548.9898815104.

The spelling of 165460000 in words is "one hundred sixty-five million, four hundred sixty thousand".