167944398 has 16 divisors (see below), whose sum is σ = 336714960. Its totient is φ = 55843776.

The previous prime is 167944397. The next prime is 167944429. The reversal of 167944398 is 893449761.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 167944398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167944393) 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, 31765 + ... + 36672.

It is an arithmetic number, because the mean of its divisors is an integer number (21044685).

Almost surely, 2^167944398 is an apocalyptic number.

167944398 is an abundant number, since it is smaller than the sum of its proper divisors (168770562).

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

167944398 is a wasteful number, since it uses less digits than its factorization.

167944398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68851.

The product of its digits is 1306368, while the sum is 51.

The square root of 167944398 is about 12959.3363255994. The cubic root of 167944398 is about 551.7239548680.

The spelling of 167944398 in words is "one hundred sixty-seven million, nine hundred forty-four thousand, three hundred ninety-eight".