538663167 has 24 divisors (see below), whose sum is σ = 936024960. Its totient is φ = 291606480.

The previous prime is 538663141. The next prime is 538663171. The reversal of 538663167 is 761366835.

538663167 is a `hidden beast` number, since 5 + 3 + 8 + 6 + 631 + 6 + 7 = 666.

It is not a de Polignac number, because 538663167 - 2¹⁰ = 538662143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538623167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223809 + ... + 226202.

It is an arithmetic number, because the mean of its divisors is an integer number (39001040).

Almost surely, 2^538663167 is an apocalyptic number.

538663167 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

538663167 is a deficient number, since it is larger than the sum of its proper divisors (397361793).

538663167 is a wasteful number, since it uses less digits than its factorization.

538663167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450043 (or 450040 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 538663167 is about 23209.1181866093. The cubic root of 538663167 is about 813.6527439390.

The spelling of 538663167 in words is "five hundred thirty-eight million, six hundred sixty-three thousand, one hundred sixty-seven".