202668851 has 12 divisors (see below), whose sum is σ = 257190840. Its totient is φ = 157923360.

The previous prime is 202668833. The next prime is 202668881. The reversal of 202668851 is 158866202.

202668851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202668851 - 2¹⁸ = 202406707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202668881) 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, 187466 + ... + 188543.

It is an arithmetic number, because the mean of its divisors is an integer number (21432570).

Almost surely, 2^202668851 is an apocalyptic number.

202668851 is a deficient number, since it is larger than the sum of its proper divisors (54521989).

202668851 is a wasteful number, since it uses less digits than its factorization.

202668851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376034 (or 376027 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 202668851 is about 14236.1810539203. The cubic root of 202668851 is about 587.3933179462.

The spelling of 202668851 in words is "two hundred two million, six hundred sixty-eight thousand, eight hundred fifty-one".