206116304544 has 36 divisors (see below), whose sum is σ = 586143241866. Its totient is φ = 68705434752.

The previous prime is 206116304543. The next prime is 206116304549. The reversal of 206116304544 is 445403611602.

206116304544 is a `hidden beast` number, since 2 + 0 + 6 + 11 + 630 + 4 + 5 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120728451600 + 85387852944 = 347460^2 + 292212^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 206116304499 and 206116304508.

It is not an unprimeable number, because it can be changed into a prime (206116304543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357840519 + ... + 357841094.

Almost surely, 2^206116304544 is an apocalyptic number.

206116304544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206116304544 is an abundant number, since it is smaller than the sum of its proper divisors (380026937322).

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

206116304544 is a wasteful number, since it uses less digits than its factorization.

206116304544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715681629 (or 715681618 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 206116304544 in words is "two hundred six billion, one hundred sixteen million, three hundred four thousand, five hundred forty-four".