167660372499 has 16 divisors (see below), whose sum is σ = 233805368832. Its totient is φ = 106666927488.

The previous prime is 167660372479. The next prime is 167660372549. The reversal of 167660372499 is 994273066761.

It is not a de Polignac number, because 167660372499 - 2⁹ = 167660371987 is a prime.

It is a super-2 number, since 2×167660372499² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (167660372479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775967 + ... + 2835720.

It is an arithmetic number, because the mean of its divisors is an integer number (14612835552).

Almost surely, 2^167660372499 is an apocalyptic number.

167660372499 is a deficient number, since it is larger than the sum of its proper divisors (66144996333).

167660372499 is a wasteful number, since it uses less digits than its factorization.

167660372499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612146.

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 167660372499 in words is "one hundred sixty-seven billion, six hundred sixty million, three hundred seventy-two thousand, four hundred ninety-nine".