168672036 has 24 divisors (see below), whose sum is σ = 423842944. Its totient is φ = 51899040.

The previous prime is 168672029. The next prime is 168672067. The reversal of 168672036 is 630276861.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 168671985 and 168672003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540460 + ... + 540771.

Almost surely, 2^168672036 is an apocalyptic number.

It is an amenable number.

168672036 is an abundant number, since it is smaller than the sum of its proper divisors (255170908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168672036 is a wasteful number, since it uses less digits than its factorization.

168672036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081251 (or 1081249 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 168672036 is about 12987.3798743242. The cubic root of 168672036 is about 552.5196089216.

The spelling of 168672036 in words is "one hundred sixty-eight million, six hundred seventy-two thousand, thirty-six".