206290351384 has 64 divisors (see below), whose sum is σ = 455278199040. Its totient is φ = 86719610880.

The previous prime is 206290351369. The next prime is 206290351451. The reversal of 206290351384 is 483153092602.

It is a self number, because there is not a number n which added to its sum of digits gives 206290351384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827129 + ... + 1936744.

It is an arithmetic number, because the mean of its divisors is an integer number (7113721860).

Almost surely, 2^206290351384 is an apocalyptic number.

It is an amenable number.

206290351384 is an abundant number, since it is smaller than the sum of its proper divisors (248987847656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206290351384 is a wasteful number, since it uses less digits than its factorization.

206290351384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763940 (or 3763936 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 206290351384 in words is "two hundred six billion, two hundred ninety million, three hundred fifty-one thousand, three hundred eighty-four".