166157358 has 8 divisors (see below), whose sum is σ = 332314728. Its totient is φ = 55385784.

The previous prime is 166157357. The next prime is 166157401. The reversal of 166157358 is 853751661.

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

166157358 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166157357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13846441 + ... + 13846452.

It is an arithmetic number, because the mean of its divisors is an integer number (41539341).

Almost surely, 2^166157358 is an apocalyptic number.

166157358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166157358 is a wasteful number, since it uses less digits than its factorization.

166157358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27692898.

The product of its digits is 151200, while the sum is 42.

The square root of 166157358 is about 12890.2039549419. The cubic root of 166157358 is about 549.7600694532.

The spelling of 166157358 in words is "one hundred sixty-six million, one hundred fifty-seven thousand, three hundred fifty-eight".