167431332479 has 2 divisors, whose sum is σ = 167431332480. Its totient is φ = 167431332478.

The previous prime is 167431332469. The next prime is 167431332527. The reversal of 167431332479 is 974233134761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167431332479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167431332469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83715666239 + 83715666240.

It is an arithmetic number, because the mean of its divisors is an integer number (83715666240).

Almost surely, 2^167431332479 is an apocalyptic number.

167431332479 is a deficient number, since it is larger than the sum of its proper divisors (1).

167431332479 is an equidigital number, since it uses as much as digits as its factorization.

167431332479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 50.

The spelling of 167431332479 in words is "one hundred sixty-seven billion, four hundred thirty-one million, three hundred thirty-two thousand, four hundred seventy-nine".