206968623725 has 48 divisors (see below), whose sum is σ = 276557120640. Its totient is φ = 153075456000.

The previous prime is 206968623713. The next prime is 206968623761. The reversal of 206968623725 is 527326869602.

It is not a de Polignac number, because 206968623725 - 2²⁴ = 206951846509 is a prime.

It is a super-2 number, since 2×206968623725² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45157784 + ... + 45162366.

It is an arithmetic number, because the mean of its divisors is an integer number (5761606680).

Almost surely, 2^206968623725 is an apocalyptic number.

206968623725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206968623725 is a deficient number, since it is larger than the sum of its proper divisors (69588496915).

206968623725 is a wasteful number, since it uses less digits than its factorization.

206968623725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 6465 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 206968623725 in words is "two hundred six billion, nine hundred sixty-eight million, six hundred twenty-three thousand, seven hundred twenty-five".