151668608 has 128 divisors (see below), whose sum is σ = 385560000. Its totient is φ = 57802752.

The previous prime is 151668593. The next prime is 151668617. The reversal of 151668608 is 806866151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337568 + ... + 338016.

Almost surely, 2^151668608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151668608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192780000).

151668608 is an abundant number, since it is smaller than the sum of its proper divisors (233891392).

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

151668608 is a wasteful number, since it uses less digits than its factorization.

151668608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 151668608 is about 12315.3809522889. The cubic root of 151668608 is about 533.2922023836.

The spelling of 151668608 in words is "one hundred fifty-one million, six hundred sixty-eight thousand, six hundred eight".