131663206 has 8 divisors (see below), whose sum is σ = 197802000. Its totient is φ = 65729208.

The previous prime is 131663167. The next prime is 131663221. The reversal of 131663206 is 602366131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49581 + ... + 52168.

It is an arithmetic number, because the mean of its divisors is an integer number (24725250).

Almost surely, 2^131663206 is an apocalyptic number.

131663206 is a deficient number, since it is larger than the sum of its proper divisors (66138794).

131663206 is a wasteful number, since it uses less digits than its factorization.

131663206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102398.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 131663206 is about 11474.4588543425. The cubic root of 131663206 is about 508.7309290221.

The spelling of 131663206 in words is "one hundred thirty-one million, six hundred sixty-three thousand, two hundred six".