166151466 has 64 divisors (see below), whose sum is σ = 418588800. Its totient is φ = 48428928.

The previous prime is 166151443. The next prime is 166151477. The reversal of 166151466 is 664151661.

It is a happy number.

166151466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166151466.

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, 7110 + ... + 19566.

It is an arithmetic number, because the mean of its divisors is an integer number (6540450).

Almost surely, 2^166151466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166151466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209294400).

166151466 is an abundant number, since it is smaller than the sum of its proper divisors (252437334).

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

166151466 is a wasteful number, since it uses less digits than its factorization.

166151466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500 (or 12494 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 166151466 is about 12889.9754072690. The cubic root of 166151466 is about 549.7535711461.

It can be divided in two parts, 16615 and 1466, that added together give a palindrome (18081).

The spelling of 166151466 in words is "one hundred sixty-six million, one hundred fifty-one thousand, four hundred sixty-six".