166116352 has 44 divisors (see below), whose sum is σ = 342847936. Its totient is φ = 80363520.

The previous prime is 166116343. The next prime is 166116463. The reversal of 166116352 is 253611661.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29128 + ... + 34360.

Almost surely, 2^166116352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166116352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171423968).

166116352 is an abundant number, since it is smaller than the sum of its proper divisors (176731584).

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

166116352 is an equidigital number, since it uses as much as digits as its factorization.

166116352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284 (or 5266 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 166116352 is about 12888.6132690837. The cubic root of 166116352 is about 549.7148406083.

The spelling of 166116352 in words is "one hundred sixty-six million, one hundred sixteen thousand, three hundred fifty-two".