206044140651 has 16 divisors (see below), whose sum is σ = 275787613728. Its totient is φ = 136831968000.

The previous prime is 206044140649. The next prime is 206044140667. The reversal of 206044140651 is 156041440602.

It is not a de Polignac number, because 206044140651 - 2¹ = 206044140649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206044140751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3461521 + ... + 3520541.

It is an arithmetic number, because the mean of its divisors is an integer number (17236725858).

Almost surely, 2^206044140651 is an apocalyptic number.

206044140651 is a deficient number, since it is larger than the sum of its proper divisors (69743473077).

206044140651 is a wasteful number, since it uses less digits than its factorization.

206044140651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63502.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 206044140651 in words is "two hundred six billion, forty-four million, one hundred forty thousand, six hundred fifty-one".