166137357 has 8 divisors (see below), whose sum is σ = 222096384. Its totient is φ = 110468288.

The previous prime is 166137353. The next prime is 166137383. The reversal of 166137357 is 753731661.

166137357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166137357 - 2² = 166137353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166137353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71148 + ... + 73445.

It is an arithmetic number, because the mean of its divisors is an integer number (27762048).

Almost surely, 2^166137357 is an apocalyptic number.

It is an amenable number.

166137357 is a deficient number, since it is larger than the sum of its proper divisors (55959027).

166137357 is a wasteful number, since it uses less digits than its factorization.

166137357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144979.

The product of its digits is 79380, while the sum is 39.

The square root of 166137357 is about 12889.4281098891. The cubic root of 166137357 is about 549.7380096570.

The spelling of 166137357 in words is "one hundred sixty-six million, one hundred thirty-seven thousand, three hundred fifty-seven".