506167998 has 32 divisors (see below), whose sum is σ = 1158312960. Its totient is φ = 144449760.

The previous prime is 506167997. The next prime is 506168041. The reversal of 506167998 is 899761605.

It is a self number, because there is not a number n which added to its sum of digits gives 506167998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506167997) 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, 31648 + ... + 44876.

It is an arithmetic number, because the mean of its divisors is an integer number (36197280).

Almost surely, 2^506167998 is an apocalyptic number.

506167998 is an abundant number, since it is smaller than the sum of its proper divisors (652144962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506167998 is a wasteful number, since it uses less digits than its factorization.

506167998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 506167998 is about 22498.1776595350. The cubic root of 506167998 is about 796.9508924013.

The spelling of 506167998 in words is "five hundred six million, one hundred sixty-seven thousand, nine hundred ninety-eight".