206371432678 has 8 divisors (see below), whose sum is σ = 323016155568. Its totient is φ = 98699380824.

The previous prime is 206371432627. The next prime is 206371432681. The reversal of 206371432678 is 876234173602.

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, 2243167701 + ... + 2243167792.

It is an arithmetic number, because the mean of its divisors is an integer number (40377019446).

Almost surely, 2^206371432678 is an apocalyptic number.

206371432678 is a deficient number, since it is larger than the sum of its proper divisors (116644722890).

206371432678 is a wasteful number, since it uses less digits than its factorization.

206371432678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486335518.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 206371432678 in words is "two hundred six billion, three hundred seventy-one million, four hundred thirty-two thousand, six hundred seventy-eight".