166451460 has 96 divisors (see below), whose sum is σ = 555835392. Its totient is φ = 36389760.

The previous prime is 166451459. The next prime is 166451479. The reversal of 166451460 is 64154661.

It is a happy number.

166451460 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 2×166451460² = 55412177072263200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1045 + ... + 18275.

It is an arithmetic number, because the mean of its divisors is an integer number (5789952).

Almost surely, 2^166451460 is an apocalyptic number.

166451460 is a gapful number since it is divisible by the number (10) 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 166451460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277917696).

166451460 is an abundant number, since it is smaller than the sum of its proper divisors (389383932).

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

166451460 is a wasteful number, since it uses less digits than its factorization.

166451460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17273 (or 17271 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 166451460 is about 12901.6068766646. The cubic root of 166451460 is about 550.0842405402.

The spelling of 166451460 in words is "one hundred sixty-six million, four hundred fifty-one thousand, four hundred sixty".