201715670016 has 528 divisors, whose sum is σ = 709208270784. Its totient is φ = 53905195008.

The previous prime is 201715669979. The next prime is 201715670027. The reversal of 201715670016 is 610076517102.

201715670016 is a `hidden beast` number, since 20 + 1 + 71 + 567 + 0 + 0 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211663396 + ... + 211664348.

Almost surely, 2^201715670016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201715670016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354604135392).

201715670016 is an abundant number, since it is smaller than the sum of its proper divisors (507492600768).

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

201715670016 is a wasteful number, since it uses less digits than its factorization.

201715670016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 201715670016 in words is "two hundred one billion, seven hundred fifteen million, six hundred seventy thousand, sixteen".