166064262 has 64 divisors (see below), whose sum is σ = 432843264. Its totient is φ = 41218560.

The previous prime is 166064233. The next prime is 166064263. The reversal of 166064262 is 262460661.

166064262 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 2×166064262² = 55154678227209288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166064263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337 + ... + 18227.

It is an arithmetic number, because the mean of its divisors is an integer number (6763176).

Almost surely, 2^166064262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166064262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216421632).

166064262 is an abundant number, since it is smaller than the sum of its proper divisors (266779002).

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

166064262 is a wasteful number, since it uses less digits than its factorization.

166064262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17933.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 166064262 is about 12886.5923346709. The cubic root of 166064262 is about 549.6573755860.

The spelling of 166064262 in words is "one hundred sixty-six million, sixty-four thousand, two hundred sixty-two".