167660372479 has 2 divisors, whose sum is σ = 167660372480. Its totient is φ = 167660372478.

The previous prime is 167660372461. The next prime is 167660372549. The reversal of 167660372479 is 974273066761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 167660372479 - 2⁷ = 167660372351 is a prime.

It is a super-2 number, since 2×167660372479² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167660372279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83830186239 + 83830186240.

It is an arithmetic number, because the mean of its divisors is an integer number (83830186240).

Almost surely, 2^167660372479 is an apocalyptic number.

167660372479 is a deficient number, since it is larger than the sum of its proper divisors (1).

167660372479 is an equidigital number, since it uses as much as digits as its factorization.

167660372479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16003008, while the sum is 58.

The spelling of 167660372479 in words is "one hundred sixty-seven billion, six hundred sixty million, three hundred seventy-two thousand, four hundred seventy-nine".