166364437 has 8 divisors (see below), whose sum is σ = 175302560. Its totient is φ = 157444560.

The previous prime is 166364413. The next prime is 166364449. The reversal of 166364437 is 734463661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166364437 - 2⁷ = 166364309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166364437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166362437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16762 + ... + 24772.

It is an arithmetic number, because the mean of its divisors is an integer number (21912820).

Almost surely, 2^166364437 is an apocalyptic number.

It is an amenable number.

166364437 is a deficient number, since it is larger than the sum of its proper divisors (8938123).

166364437 is a wasteful number, since it uses less digits than its factorization.

166364437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9123.

The product of its digits is 217728, while the sum is 40.

The square root of 166364437 is about 12898.2338713484. The cubic root of 166364437 is about 549.9883600842.

The spelling of 166364437 in words is "one hundred sixty-six million, three hundred sixty-four thousand, four hundred thirty-seven".