157871563 has 16 divisors (see below), whose sum is σ = 175049280. Its totient is φ = 141837696.

The previous prime is 157871501. The next prime is 157871569. The reversal of 157871563 is 365178751.

It is a cyclic number.

It is not a de Polignac number, because 157871563 - 2¹³ = 157863371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157871569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21481 + ... + 27877.

It is an arithmetic number, because the mean of its divisors is an integer number (10940580).

Almost surely, 2^157871563 is an apocalyptic number.

157871563 is a deficient number, since it is larger than the sum of its proper divisors (17177717).

157871563 is a wasteful number, since it uses less digits than its factorization.

157871563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6486.

The product of its digits is 176400, while the sum is 43.

The square root of 157871563 is about 12564.6951017524. The cubic root of 157871563 is about 540.4654913968.

The spelling of 157871563 in words is "one hundred fifty-seven million, eight hundred seventy-one thousand, five hundred sixty-three".