166466454 has 32 divisors (see below), whose sum is σ = 415086336. Its totient is φ = 43237920.

The previous prime is 166466449. The next prime is 166466471. The reversal of 166466454 is 454664661.

166466454 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 2×166466454² = 55422160614668232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179697 + ... + 180620.

It is an arithmetic number, because the mean of its divisors is an integer number (12971448).

Almost surely, 2^166466454 is an apocalyptic number.

166466454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

166466454 is an abundant number, since it is smaller than the sum of its proper divisors (248619882).

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

166466454 is a wasteful number, since it uses less digits than its factorization.

166466454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360340.

The product of its digits is 414720, while the sum is 42.

The square root of 166466454 is about 12902.1879539867. The cubic root of 166466454 is about 550.1007572982.

The spelling of 166466454 in words is "one hundred sixty-six million, four hundred sixty-six thousand, four hundred fifty-four".