107991206 has 4 divisors (see below), whose sum is σ = 161986812. Its totient is φ = 53995602.

The previous prime is 107991199. The next prime is 107991229. The reversal of 107991206 is 602199701.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26997800 + ... + 26997803.

It is an arithmetic number, because the mean of its divisors is an integer number (40496703).

Almost surely, 2^107991206 is an apocalyptic number.

107991206 is a deficient number, since it is larger than the sum of its proper divisors (53995606).

107991206 is an equidigital number, since it uses as much as digits as its factorization.

107991206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53995605.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 107991206 is about 10391.8817352778. The cubic root of 107991206 is about 476.2073896796.

The spelling of 107991206 in words is "one hundred seven million, nine hundred ninety-one thousand, two hundred six".