168157127 has 4 divisors (see below), whose sum is σ = 168190440. Its totient is φ = 168123816.

The previous prime is 168157111. The next prime is 168157141. The reversal of 168157127 is 721751861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168157127 - 2⁴ = 168157111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168157147) 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, 7352 + ... + 19757.

It is an arithmetic number, because the mean of its divisors is an integer number (42047610).

Almost surely, 2^168157127 is an apocalyptic number.

168157127 is a deficient number, since it is larger than the sum of its proper divisors (33313).

168157127 is an equidigital number, since it uses as much as digits as its factorization.

168157127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33312.

The product of its digits is 23520, while the sum is 38.

The square root of 168157127 is about 12967.5412858414. The cubic root of 168157127 is about 551.9568060702.

The spelling of 168157127 in words is "one hundred sixty-eight million, one hundred fifty-seven thousand, one hundred twenty-seven".