206649000701 has 24 divisors (see below), whose sum is σ = 244857617760. Its totient is φ = 173240226720.

The previous prime is 206649000671. The next prime is 206649000709. The reversal of 206649000701 is 107000946602.

It is a de Polignac number, because none of the positive numbers 2^k-206649000701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206649000709) 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, 1538426 + ... + 1667348.

It is an arithmetic number, because the mean of its divisors is an integer number (10202400740).

Almost surely, 2^206649000701 is an apocalyptic number.

It is an amenable number.

206649000701 is a deficient number, since it is larger than the sum of its proper divisors (38208617059).

206649000701 is a wasteful number, since it uses less digits than its factorization.

206649000701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129977 (or 129966 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 206649000701 in words is "two hundred six billion, six hundred forty-nine million, seven hundred one", and thus it is an aban number.