167136805449 has 24 divisors (see below), whose sum is σ = 258433375200. Its totient is φ = 103770927360.

The previous prime is 167136805397. The next prime is 167136805457. The reversal of 167136805449 is 944508631761.

167136805449 is a `hidden beast` number, since 1 + 6 + 7 + 13 + 6 + 80 + 544 + 9 = 666.

It is not a de Polignac number, because 167136805449 - 2⁷ = 167136805321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 167136805395 and 167136805404.

It is not an unprimeable number, because it can be changed into a prime (167136805949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8273032 + ... + 8293209.

It is an arithmetic number, because the mean of its divisors is an integer number (10768057300).

Almost surely, 2^167136805449 is an apocalyptic number.

167136805449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

167136805449 is a deficient number, since it is larger than the sum of its proper divisors (91296569751).

167136805449 is a wasteful number, since it uses less digits than its factorization.

167136805449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16566325 (or 16566322 counting only the distinct ones).

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

The spelling of 167136805449 in words is "one hundred sixty-seven billion, one hundred thirty-six million, eight hundred five thousand, four hundred forty-nine".