165741696 has 48 divisors (see below), whose sum is σ = 476942310. Its totient is φ = 55246848.

The previous prime is 165741689. The next prime is 165741701. The reversal of 165741696 is 696147561.

165741696 is a `hidden beast` number, since 16 + 574 + 1 + 69 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 164865600 + 876096 = 12840^2 + 936^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70785 + ... + 73088.

Almost surely, 2^165741696 is an apocalyptic number.

165741696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165741696 is an abundant number, since it is smaller than the sum of its proper divisors (311200614).

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

165741696 is a wasteful number, since it uses less digits than its factorization.

165741696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143893 (or 143878 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 165741696 is about 12874.0706849077. The cubic root of 165741696 is about 549.3012570163.

The spelling of 165741696 in words is "one hundred sixty-five million, seven hundred forty-one thousand, six hundred ninety-six".