165662132 has 6 divisors (see below), whose sum is σ = 289908738. Its totient is φ = 82831064.

The previous prime is 165662113. The next prime is 165662137. The reversal of 165662132 is 231266561.

It can be written as a sum of positive squares in only one way, i.e., 159921316 + 5740816 = 12646^2 + 2396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165662137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20707763 + ... + 20707770.

It is an arithmetic number, because the mean of its divisors is an integer number (48318123).

Almost surely, 2^165662132 is an apocalyptic number.

It is an amenable number.

165662132 is a deficient number, since it is larger than the sum of its proper divisors (124246606).

165662132 is a wasteful number, since it uses less digits than its factorization.

165662132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41415537 (or 41415535 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 165662132 is about 12870.9802268514. The cubic root of 165662132 is about 549.2133459241.

The spelling of 165662132 in words is "one hundred sixty-five million, six hundred sixty-two thousand, one hundred thirty-two".