151318566 has 48 divisors (see below), whose sum is σ = 382356000. Its totient is φ = 43232112.

The previous prime is 151318529. The next prime is 151318571. The reversal of 151318566 is 665813151.

151318566 is a `hidden beast` number, since 1 + 513 + 1 + 85 + 66 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 151318566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6081 + ... + 18428.

It is an arithmetic number, because the mean of its divisors is an integer number (7965750).

Almost surely, 2^151318566 is an apocalyptic number.

151318566 is an abundant number, since it is smaller than the sum of its proper divisors (231037434).

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

151318566 is a wasteful number, since it uses less digits than its factorization.

151318566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538 (or 24521 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 151318566 is about 12301.1611647031. The cubic root of 151318566 is about 532.8816176065.

The spelling of 151318566 in words is "one hundred fifty-one million, three hundred eighteen thousand, five hundred sixty-six".