206100651 has 32 divisors (see below), whose sum is σ = 291225600. Its totient is φ = 129467520.

The previous prime is 206100641. The next prime is 206100667. The reversal of 206100651 is 156001602.

It is a happy number.

It is not a de Polignac number, because 206100651 - 2⁷ = 206100523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206100611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1078966 + ... + 1079156.

It is an arithmetic number, because the mean of its divisors is an integer number (9100800).

Almost surely, 2^206100651 is an apocalyptic number.

206100651 is a deficient number, since it is larger than the sum of its proper divisors (85124949).

206100651 is a wasteful number, since it uses less digits than its factorization.

206100651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 206100651 is about 14356.2060099457. The cubic root of 206100651 is about 590.6902302133.

The spelling of 206100651 in words is "two hundred six million, one hundred thousand, six hundred fifty-one".