153315666 has 80 divisors (see below), whose sum is σ = 394758144. Its totient is φ = 43566336.

The previous prime is 153315653. The next prime is 153315667. The reversal of 153315666 is 666513351.

It is a self number, because there is not a number n which added to its sum of digits gives 153315666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153315667) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 400111 + ... + 400493.

Almost surely, 2^153315666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153315666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197379072).

153315666 is an abundant number, since it is smaller than the sum of its proper divisors (241442478).

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

153315666 is a wasteful number, since it uses less digits than its factorization.

153315666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 748 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 153315666 is about 12382.0703438480. The cubic root of 153315666 is about 535.2157001367.

The spelling of 153315666 in words is "one hundred fifty-three million, three hundred fifteen thousand, six hundred sixty-six".