166532464 has 80 divisors (see below), whose sum is σ = 381483520. Its totient is φ = 68947200.

The previous prime is 166532437. The next prime is 166532467. The reversal of 166532464 is 464235661.

166532464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166532464² = 55466123131822592, which contains 22 as substring.

Its product of digits (103680) is a multiple of the sum of its prime divisors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166532467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727102 + ... + 727330.

It is an arithmetic number, because the mean of its divisors is an integer number (4768544).

Almost surely, 2^166532464 is an apocalyptic number.

166532464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166532464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190741760).

166532464 is an abundant number, since it is smaller than the sum of its proper divisors (214951056).

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

166532464 is a wasteful number, since it uses less digits than its factorization.

166532464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 432 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 166532464 is about 12904.7457936993. The cubic root of 166532464 is about 550.1734593381.

The spelling of 166532464 in words is "one hundred sixty-six million, five hundred thirty-two thousand, four hundred sixty-four".