201015645165306 has 48 divisors (see below), whose sum is σ = 470847457173600. Its totient is φ = 61762986277344.

The previous prime is 201015645165299. The next prime is 201015645165329. The reversal of 201015645165306 is 603561546510102.

201015645165306 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 1 + 5 + 64 + 51 + 6 + 530 + 6 = 666.

201015645165306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7942758216 + ... + 7942783523.

It is an arithmetic number, because the mean of its divisors is an integer number (9809322024450).

Almost surely, 2^{201015645165306} is an apocalyptic number.

201015645165306 is an abundant number, since it is smaller than the sum of its proper divisors (269831812008294).

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

201015645165306 is a wasteful number, since it uses less digits than its factorization.

201015645165306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15885541803 (or 15885541800 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 201015645165306 in words is "two hundred one trillion, fifteen billion, six hundred forty-five million, one hundred sixty-five thousand, three hundred six".