156998163 has 16 divisors (see below), whose sum is σ = 239672576. Its totient is φ = 89549280.

The previous prime is 156998123. The next prime is 156998209. The reversal of 156998163 is 361899651.

156998163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156998163 - 2⁶ = 156998099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156998123) 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, 5445 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (14979536).

Almost surely, 2^156998163 is an apocalyptic number.

156998163 is a deficient number, since it is larger than the sum of its proper divisors (82674413).

156998163 is a wasteful number, since it uses less digits than its factorization.

156998163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674.

The product of its digits is 349920, while the sum is 48.

The square root of 156998163 is about 12529.8907816469. The cubic root of 156998163 is about 539.4669671588.

The spelling of 156998163 in words is "one hundred fifty-six million, nine hundred ninety-eight thousand, one hundred sixty-three".