205612246416 has 40 divisors (see below), whose sum is σ = 536424041664. Its totient is φ = 67858825600.

The previous prime is 205612246403. The next prime is 205612246421. The reversal of 205612246416 is 614642216502.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21201036 + ... + 21210731.

Almost surely, 2^205612246416 is an apocalyptic number.

It is an amenable number.

205612246416 is an abundant number, since it is smaller than the sum of its proper divisors (330811795248).

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

205612246416 is a wasteful number, since it uses less digits than its factorization.

205612246416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42411879 (or 42411873 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 205612246416 in words is "two hundred five billion, six hundred twelve million, two hundred forty-six thousand, four hundred sixteen".