137566163 has 8 divisors (see below), whose sum is σ = 159796320. Its totient is φ = 115980480.

The previous prime is 137566157. The next prime is 137566171. The reversal of 137566163 is 361665731.

137566163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 137566163 - 2⁸ = 137565907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137566103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160658 + ... + 161511.

It is an arithmetic number, because the mean of its divisors is an integer number (19974540).

Almost surely, 2^137566163 is an apocalyptic number.

137566163 is a deficient number, since it is larger than the sum of its proper divisors (22230157).

137566163 is an equidigital number, since it uses as much as digits as its factorization.

137566163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322237.

The product of its digits is 68040, while the sum is 38.

The square root of 137566163 is about 11728.8602600594. The cubic root of 137566163 is about 516.2228308160. Note that the first 3 decimals are identical.

The spelling of 137566163 in words is "one hundred thirty-seven million, five hundred sixty-six thousand, one hundred sixty-three".