206473325128 has 64 divisors (see below), whose sum is σ = 481789008000. Its totient is φ = 80940529152.

The previous prime is 206473325083. The next prime is 206473325129. The reversal of 206473325128 is 821523374602.

It is not an unprimeable number, because it can be changed into a prime (206473325129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3314901 + ... + 3376612.

It is an arithmetic number, because the mean of its divisors is an integer number (7527953250).

Almost surely, 2^206473325128 is an apocalyptic number.

206473325128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

206473325128 is an abundant number, since it is smaller than the sum of its proper divisors (275315682872).

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

206473325128 is a wasteful number, since it uses less digits than its factorization.

206473325128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691574 (or 6691570 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 206473325128 in words is "two hundred six billion, four hundred seventy-three million, three hundred twenty-five thousand, one hundred twenty-eight".