168240672 has 48 divisors (see below), whose sum is σ = 490704480. Its totient is φ = 56079936.

The previous prime is 168240637. The next prime is 168240697. The reversal of 168240672 is 276042861.

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

It is a super-3 number, since 3×168240672³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96498 + ... + 98225.

It is an arithmetic number, because the mean of its divisors is an integer number (10223010).

Almost surely, 2^168240672 is an apocalyptic number.

168240672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168240672 is an abundant number, since it is smaller than the sum of its proper divisors (322463808).

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

168240672 is a wasteful number, since it uses less digits than its factorization.

168240672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194742 (or 194728 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 168240672 is about 12970.7621981131. The cubic root of 168240672 is about 552.0481999499.

The spelling of 168240672 in words is "one hundred sixty-eight million, two hundred forty thousand, six hundred seventy-two".