165793480 has 32 divisors (see below), whose sum is σ = 374657400. Its totient is φ = 66029056.

The previous prime is 165793471. The next prime is 165793483. The reversal of 165793480 is 84397561.

165793480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 150847524 + 14945956 = 12282^2 + 3866^2 .

It is not an unprimeable number, because it can be changed into a prime (165793483) 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, 426 + ... + 18214.

Almost surely, 2^165793480 is an apocalyptic number.

165793480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165793480 is an abundant number, since it is smaller than the sum of its proper divisors (208863920).

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

165793480 is a wasteful number, since it uses less digits than its factorization.

165793480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18033 (or 18029 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 165793480 is about 12876.0817021328. The cubic root of 165793480 is about 549.3584585836.

The spelling of 165793480 in words is "one hundred sixty-five million, seven hundred ninety-three thousand, four hundred eighty".