165132464 has 20 divisors (see below), whose sum is σ = 365650704. Its totient is φ = 70771008.

The previous prime is 165132463. The next prime is 165132503. The reversal of 165132464 is 464231561.

It is a super-2 number, since 2×165132464² = 54537461333422592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165132464.

It is not an unprimeable number, because it can be changed into a prime (165132463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737087 + ... + 737310.

Almost surely, 2^165132464 is an apocalyptic number.

165132464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165132464 is an abundant number, since it is smaller than the sum of its proper divisors (200518240).

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

165132464 is a wasteful number, since it uses less digits than its factorization.

165132464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474412 (or 1474406 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 165132464 is about 12850.3876984315. The cubic root of 165132464 is about 548.6273916224.

The spelling of 165132464 in words is "one hundred sixty-five million, one hundred thirty-two thousand, four hundred sixty-four".