206707138974400 has 84 divisors (see below), whose sum is σ = 508634187454000. Its totient is φ = 82681972300800.

The previous prime is 206707138974397. The next prime is 206707138974403. The reversal of 206707138974400 is 4479831707602.

It is an interprime number because it is at equal distance from previous prime (206707138974397) and next prime (206707138974403).

It is not an unprimeable number, because it can be changed into a prime (206707138974403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160958830 + ... + 162237970.

Almost surely, 2^{206707138974400} is an apocalyptic number.

206707138974400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206707138974400 is an abundant number, since it is smaller than the sum of its proper divisors (301927048479600).

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

206707138974400 is a wasteful number, since it uses less digits than its factorization.

206707138974400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380162 (or 1380147 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 206707138974400 in words is "two hundred six trillion, seven hundred seven billion, one hundred thirty-eight million, nine hundred seventy-four thousand, four hundred".