167871490 has 16 divisors (see below), whose sum is σ = 302651640. Its totient is φ = 67041280.

The previous prime is 167871469. The next prime is 167871497. The reversal of 167871490 is 94178761.

It can be written as a sum of positive squares in 4 ways, for example, as 167365969 + 505521 = 12937^2 + 711^2 .

It is not an unprimeable number, because it can be changed into a prime (167871497) 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, 6685 + ... + 19504.

Almost surely, 2^167871490 is an apocalyptic number.

167871490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

167871490 is a deficient number, since it is larger than the sum of its proper divisors (134780150).

167871490 is a wasteful number, since it uses less digits than its factorization.

167871490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26837.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 167871490 is about 12956.5230675517. The cubic root of 167871490 is about 551.6441052019.

The spelling of 167871490 in words is "one hundred sixty-seven million, eight hundred seventy-one thousand, four hundred ninety".