206129416390 has 32 divisors (see below), whose sum is σ = 383999978880. Its totient is φ = 79572764544.

The previous prime is 206129416373. The next prime is 206129416391. The reversal of 206129416390 is 93614921602.

206129416390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206129416391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489859 + ... + 807601.

It is an arithmetic number, because the mean of its divisors is an integer number (11999999340).

Almost surely, 2^206129416390 is an apocalyptic number.

206129416390 is a deficient number, since it is larger than the sum of its proper divisors (177870562490).

206129416390 is a wasteful number, since it uses less digits than its factorization.

206129416390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320016.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 206129416390 in words is "two hundred six billion, one hundred twenty-nine million, four hundred sixteen thousand, three hundred ninety".