155652066 has 24 divisors (see below), whose sum is σ = 354996720. Its totient is φ = 49153176.

The previous prime is 155652059. The next prime is 155652067. The reversal of 155652066 is 660256551.

It is a happy number.

155652066 is a `hidden beast` number, since 15 + 565 + 20 + 66 = 666.

155652066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155652066.

It is not an unprimeable number, because it can be changed into a prime (155652067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227220 + ... + 227903.

It is an arithmetic number, because the mean of its divisors is an integer number (14791530).

Almost surely, 2^155652066 is an apocalyptic number.

155652066 is an abundant number, since it is smaller than the sum of its proper divisors (199344654).

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

155652066 is a wasteful number, since it uses less digits than its factorization.

155652066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455150 (or 455147 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 155652066 is about 12476.0597145092. The cubic root of 155652066 is about 537.9207490492.

The spelling of 155652066 in words is "one hundred fifty-five million, six hundred fifty-two thousand, sixty-six".