201651039704016 has 120 divisors (see below), whose sum is σ = 645109146574464. Its totient is φ = 57601549474560.

The previous prime is 201651039704011. The next prime is 201651039704029. The reversal of 201651039704016 is 610407930156102.

201651039704016 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 510 + 3 + 97 + 0 + 40 + 1 + 6 = 666.

201651039704016 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 not an unprimeable number, because it can be changed into a prime (201651039704011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18168676 + ... + 27081411.

Almost surely, 2^{201651039704016} is an apocalyptic number.

It is an amenable number.

201651039704016 is an abundant number, since it is smaller than the sum of its proper divisors (443458106870448).

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

201651039704016 is a wasteful number, since it uses less digits than its factorization.

201651039704016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45254529 (or 45254520 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 201651039704016 in words is "two hundred one trillion, six hundred fifty-one billion, thirty-nine million, seven hundred four thousand, sixteen".