206969994476 has 48 divisors (see below), whose sum is σ = 454670952960. Its totient is φ = 80379319680.

The previous prime is 206969994461. The next prime is 206969994481. The reversal of 206969994476 is 674499969602.

It is a super-2 number, since 2×206969994476² (a number of 23 digits) contains 22 as substring.

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, 8445185 + ... + 8469656.

It is an arithmetic number, because the mean of its divisors is an integer number (9472311520).

Almost surely, 2^206969994476 is an apocalyptic number.

It is an amenable number.

206969994476 is an abundant number, since it is smaller than the sum of its proper divisors (247700958484).

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

206969994476 is a wasteful number, since it uses less digits than its factorization.

206969994476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16914894 (or 16914892 counting only the distinct ones).

The product of its (nonzero) digits is 317447424, while the sum is 71.

The spelling of 206969994476 in words is "two hundred six billion, nine hundred sixty-nine million, nine hundred ninety-four thousand, four hundred seventy-six".