200591665102 has 24 divisors (see below), whose sum is σ = 318687584112. Its totient is φ = 94678869600.

The previous prime is 200591665081. The next prime is 200591665103. The reversal of 200591665102 is 201566195002.

It is a super-2 number, since 2×200591665102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200591665103) 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, 291474 + ... + 697237.

It is an arithmetic number, because the mean of its divisors is an integer number (13278649338).

Almost surely, 2^200591665102 is an apocalyptic number.

200591665102 is a deficient number, since it is larger than the sum of its proper divisors (118095919010).

200591665102 is a wasteful number, since it uses less digits than its factorization.

200591665102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989032 (or 989013 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 200591665102 in words is "two hundred billion, five hundred ninety-one million, six hundred sixty-five thousand, one hundred two".