201001381668888 has 32 divisors (see below), whose sum is σ = 502585255526400. Its totient is φ = 66989553709088.

The previous prime is 201001381668863. The next prime is 201001381668943. The reversal of 201001381668888 is 888866183100102.

201001381668888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681527448 + ... + 681822311.

It is an arithmetic number, because the mean of its divisors is an integer number (15705789235200).

Almost surely, 2^{201001381668888} is an apocalyptic number.

It is an amenable number.

201001381668888 is an abundant number, since it is smaller than the sum of its proper divisors (301583873857512).

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

201001381668888 is a wasteful number, since it uses less digits than its factorization.

201001381668888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363355911 (or 1363355907 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 60.

The spelling of 201001381668888 in words is "two hundred one trillion, one billion, three hundred eighty-one million, six hundred sixty-eight thousand, eight hundred eighty-eight".