166151400 has 48 divisors (see below), whose sum is σ = 515071200. Its totient is φ = 44306880.

The previous prime is 166151389. The next prime is 166151407. The reversal of 166151400 is 4151661.

166151400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (166151407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137860 + ... + 139059.

It is an arithmetic number, because the mean of its divisors is an integer number (10730650).

Almost surely, 2^166151400 is an apocalyptic number.

166151400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166151400 is an abundant number, since it is smaller than the sum of its proper divisors (348919800).

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

166151400 is a wasteful number, since it uses less digits than its factorization.

166151400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276938 (or 276929 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 166151400 is about 12889.9728471397. The cubic root of 166151400 is about 549.7534983536.

The spelling of 166151400 in words is "one hundred sixty-six million, one hundred fifty-one thousand, four hundred".