167329265481 has 135 divisors (see below), whose sum is σ = 299674850013. Its totient is φ = 92774581200.

The previous prime is 167329265461. The next prime is 167329265503. The reversal of 167329265481 is 184562923761.

It is a happy number.

The square root of 167329265481 is 409059.

It is a perfect power (a square), and thus also a powerful number.

167329265481 is a `hidden beast` number, since 1 + 6 + 7 + 3 + 2 + 92 + 6 + 548 + 1 = 666.

It is not a de Polignac number, because 167329265481 - 2²³ = 167320876873 is a prime.

It is a super-2 number, since 2×167329265481² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (167329265461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1108140756 + ... + 1108140906.

Almost surely, 2^167329265481 is an apocalyptic number.

167329265481 is the 409059-th square number.

167329265481 is the 204530-th centered octagonal number.

It is an amenable number.

167329265481 is a deficient number, since it is larger than the sum of its proper divisors (132345584532).

167329265481 is an frugal number, since it uses more digits than its factorization.

167329265481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 204 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 167329265481 in words is "one hundred sixty-seven billion, three hundred twenty-nine million, two hundred sixty-five thousand, four hundred eighty-one".