200571051690 has 64 divisors (see below), whose sum is σ = 542389374720. Its totient is φ = 52732290240.

The previous prime is 200571051677. The next prime is 200571051719. The reversal of 200571051690 is 96150175002.

200571051690 is a `hidden beast` number, since 2 + 0 + 0 + 57 + 1 + 0 + 516 + 90 = 666.

It is a super-2 number, since 2×200571051690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5212209 + ... + 5250548.

It is an arithmetic number, because the mean of its divisors is an integer number (8474833980).

Almost surely, 2^200571051690 is an apocalyptic number.

200571051690 is an abundant number, since it is smaller than the sum of its proper divisors (341818323030).

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

200571051690 is a wasteful number, since it uses less digits than its factorization.

200571051690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462844 (or 10462838 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 200571051690 in words is "two hundred billion, five hundred seventy-one million, fifty-one thousand, six hundred ninety".