157863169 has 4 divisors (see below), whose sum is σ = 157926960. Its totient is φ = 157799380.

The previous prime is 157863151. The next prime is 157863179. The reversal of 157863169 is 961368751.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157863169 - 2⁵ = 157863137 is a prime.

It is a super-2 number, since 2×157863169² = 49841560253445122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157863119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28027 + ... + 33184.

It is an arithmetic number, because the mean of its divisors is an integer number (39481740).

Almost surely, 2^157863169 is an apocalyptic number.

It is an amenable number.

157863169 is a deficient number, since it is larger than the sum of its proper divisors (63791).

157863169 is an equidigital number, since it uses as much as digits as its factorization.

157863169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63790.

The product of its digits is 272160, while the sum is 46.

The square root of 157863169 is about 12564.3610661267. The cubic root of 157863169 is about 540.4559124123.

The spelling of 157863169 in words is "one hundred fifty-seven million, eight hundred sixty-three thousand, one hundred sixty-nine".