167982863 has 4 divisors (see below), whose sum is σ = 172080048. Its totient is φ = 163885680.

The previous prime is 167982847. The next prime is 167982883. The reversal of 167982863 is 368289761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368289761 = 7 ⋅52612823.

It is a cyclic number.

It is not a de Polignac number, because 167982863 - 2⁴ = 167982847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167982833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048531 + ... + 2048612.

It is an arithmetic number, because the mean of its divisors is an integer number (43020012).

Almost surely, 2^167982863 is an apocalyptic number.

167982863 is a deficient number, since it is larger than the sum of its proper divisors (4097185).

167982863 is an equidigital number, since it uses as much as digits as its factorization.

167982863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097184.

The product of its digits is 870912, while the sum is 50.

The square root of 167982863 is about 12960.8203058294. The cubic root of 167982863 is about 551.7660728590.

The spelling of 167982863 in words is "one hundred sixty-seven million, nine hundred eighty-two thousand, eight hundred sixty-three".