206190007 has 2 divisors, whose sum is σ = 206190008. Its totient is φ = 206190006.

The previous prime is 206189999. The next prime is 206190041. The reversal of 206190007 is 700091602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206190007 - 2³ = 206189999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206190077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103095003 + 103095004.

It is an arithmetic number, because the mean of its divisors is an integer number (103095004).

Almost surely, 2^206190007 is an apocalyptic number.

206190007 is a deficient number, since it is larger than the sum of its proper divisors (1).

206190007 is an equidigital number, since it uses as much as digits as its factorization.

206190007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 206190007 is about 14359.3177762734. The cubic root of 206190007 is about 590.7755834778.

The spelling of 206190007 in words is "two hundred six million, one hundred ninety thousand, seven".