403160166 has 60 divisors (see below), whose sum is σ = 917883252. Its totient is φ = 132261984.

The previous prime is 403160161. The next prime is 403160189. The reversal of 403160166 is 661061304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403160161) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 863065 + ... + 863531.

Almost surely, 2^403160166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403160166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458941626).

403160166 is an abundant number, since it is smaller than the sum of its proper divisors (514723086).

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

403160166 is an equidigital number, since it uses as much as digits as its factorization.

403160166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 403160166 is about 20078.8487219761. The cubic root of 403160166 is about 738.7415706735.

The spelling of 403160166 in words is "four hundred three million, one hundred sixty thousand, one hundred sixty-six".