168336672 has 48 divisors (see below), whose sum is σ = 505012032. Its totient is φ = 48096000.

The previous prime is 168336667. The next prime is 168336673. The reversal of 168336672 is 276633861.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (168336673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124579 + ... + 125922.

It is an arithmetic number, because the mean of its divisors is an integer number (10521084).

Almost surely, 2^168336672 is an apocalyptic number.

168336672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168336672 is an abundant number, since it is smaller than the sum of its proper divisors (336675360).

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

168336672 is a wasteful number, since it uses less digits than its factorization.

168336672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250521 (or 250513 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 168336672 is about 12974.4623009973. The cubic root of 168336672 is about 552.1531816003.

The spelling of 168336672 in words is "one hundred sixty-eight million, three hundred thirty-six thousand, six hundred seventy-two".