166201464 has 128 divisors (see below), whose sum is σ = 495129600. Its totient is φ = 45826560.

The previous prime is 166201439. The next prime is 166201487. The reversal of 166201464 is 464102661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270822 + ... + 271434.

It is an arithmetic number, because the mean of its divisors is an integer number (3868200).

Almost surely, 2^166201464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166201464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247564800).

166201464 is an abundant number, since it is smaller than the sum of its proper divisors (328928136).

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

166201464 is a wasteful number, since it uses less digits than its factorization.

166201464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 166201464 is about 12891.9146754856. The cubic root of 166201464 is about 549.8087092341.

The spelling of 166201464 in words is "one hundred sixty-six million, two hundred one thousand, four hundred sixty-four".