151666668 has 30 divisors (see below), whose sum is σ = 396487476. Its totient is φ = 50555448.

The previous prime is 151666661. The next prime is 151666681. The reversal of 151666668 is 866666151.

It is not an unprimeable number, because it can be changed into a prime (151666661) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 233730 + ... + 234377.

Almost surely, 2^151666668 is an apocalyptic number.

151666668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

151666668 is an abundant number, since it is smaller than the sum of its proper divisors (244820808).

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

151666668 is a wasteful number, since it uses less digits than its factorization.

151666668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468123 (or 468112 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 151666668 is about 12315.3021887406. The cubic root of 151666668 is about 533.2899285857.

The spelling of 151666668 in words is "one hundred fifty-one million, six hundred sixty-six thousand, six hundred sixty-eight".