206057384862378 has 64 divisors (see below), whose sum is σ = 483721464619008. Its totient is φ = 57281918610240.

The previous prime is 206057384862367. The next prime is 206057384862383. The reversal of 206057384862378 is 873268483750602.

It is a super-2 number, since 2×206057384862378² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235253383 + ... + 236127653.

It is an arithmetic number, because the mean of its divisors is an integer number (7558147884672).

Almost surely, 2^{206057384862378} is an apocalyptic number.

206057384862378 is an abundant number, since it is smaller than the sum of its proper divisors (277664079756630).

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

206057384862378 is a wasteful number, since it uses less digits than its factorization.

206057384862378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025987.

The product of its (nonzero) digits is 650280960, while the sum is 69.

The spelling of 206057384862378 in words is "two hundred six trillion, fifty-seven billion, three hundred eighty-four million, eight hundred sixty-two thousand, three hundred seventy-eight".