166437396 has 48 divisors (see below), whose sum is σ = 443177280. Its totient is φ = 53978400.

The previous prime is 166437373. The next prime is 166437413. The reversal of 166437396 is 693734661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16830 + ... + 24821.

It is an arithmetic number, because the mean of its divisors is an integer number (9232860).

Almost surely, 2^166437396 is an apocalyptic number.

It is an amenable number.

166437396 is an abundant number, since it is smaller than the sum of its proper divisors (276739884).

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

166437396 is a wasteful number, since it uses less digits than its factorization.

166437396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41701 (or 41693 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 166437396 is about 12901.0618167653. The cubic root of 166437396 is about 550.0687473294.

It can be divided in two parts, 1664 and 37396, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 166437396 in words is "one hundred sixty-six million, four hundred thirty-seven thousand, three hundred ninety-six".