166629492 has 36 divisors (see below), whose sum is σ = 421599360. Its totient is φ = 55490832.

The previous prime is 166629479. The next prime is 166629493. The reversal of 166629492 is 294926661.

166629492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166629493) 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, 64359 + ... + 66897.

Almost surely, 2^166629492 is an apocalyptic number.

166629492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166629492 is an abundant number, since it is smaller than the sum of its proper divisors (254969868).

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

166629492 is a wasteful number, since it uses less digits than its factorization.

166629492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372 (or 4367 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 166629492 is about 12908.5046384157. The cubic root of 166629492 is about 550.2802890917.

The spelling of 166629492 in words is "one hundred sixty-six million, six hundred twenty-nine thousand, four hundred ninety-two".