166272464 has 40 divisors (see below), whose sum is σ = 331788288. Its totient is φ = 80680320.

The previous prime is 166272419. The next prime is 166272467. The reversal of 166272464 is 464272661.

166272464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166272467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94634 + ... + 96374.

Almost surely, 2^166272464 is an apocalyptic number.

It is an amenable number.

166272464 is a deficient number, since it is larger than the sum of its proper divisors (165515824).

166272464 is a wasteful number, since it uses less digits than its factorization.

166272464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923 (or 1917 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 166272464 is about 12894.6680453589. The cubic root of 166272464 is about 549.8869894531.

It can be divided in two parts, 16627 and 2464, that added together give a palindrome (19091).

The spelling of 166272464 in words is "one hundred sixty-six million, two hundred seventy-two thousand, four hundred sixty-four".