165474120 has 64 divisors (see below), whose sum is σ = 567342720. Its totient is φ = 37822464.

The previous prime is 165474119. The next prime is 165474131. The reversal of 165474120 is 21474561.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97657 + ... + 99336.

It is an arithmetic number, because the mean of its divisors is an integer number (8864730).

Almost surely, 2^165474120 is an apocalyptic number.

165474120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165474120 is an abundant number, since it is smaller than the sum of its proper divisors (401868600).

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

165474120 is a wasteful number, since it uses less digits than its factorization.

165474120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197014 (or 197010 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 165474120 is about 12863.6744361788. The cubic root of 165474120 is about 549.0054976042.

The spelling of 165474120 in words is "one hundred sixty-five million, four hundred seventy-four thousand, one hundred twenty".