202345712660 has 144 divisors (see below), whose sum is σ = 563638706064. Its totient is φ = 60272013312.

The previous prime is 202345712627. The next prime is 202345712683. The reversal of 202345712660 is 66217543202.

202345712660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 39527006596 + 162818706064 = 198814^2 + 403508^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250559 + ... + 683718.

It is an arithmetic number, because the mean of its divisors is an integer number (3914157681).

Almost surely, 2^202345712660 is an apocalyptic number.

202345712660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202345712660 is an abundant number, since it is smaller than the sum of its proper divisors (361292993404).

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

202345712660 is a wasteful number, since it uses less digits than its factorization.

202345712660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934330 (or 934321 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 202345712660 in words is "two hundred two billion, three hundred forty-five million, seven hundred twelve thousand, six hundred sixty".