206868234144554 has 8 divisors (see below), whose sum is σ = 328555430700228. Its totient is φ = 97349757244480.

The previous prime is 206868234144541. The next prime is 206868234144589. The reversal of 206868234144554 is 455441432868602.

It can be written as a sum of positive squares in 2 ways, for example, as 204931335668929 + 1936898475625 = 14315423^2 + 1391725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3042179913857 + ... + 3042179913924.

Almost surely, 2^{206868234144554} is an apocalyptic number.

206868234144554 is a deficient number, since it is larger than the sum of its proper divisors (121687196555674).

206868234144554 is a wasteful number, since it uses less digits than its factorization.

206868234144554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084359827800.

The product of its (nonzero) digits is 176947200, while the sum is 62.

The spelling of 206868234144554 in words is "two hundred six trillion, eight hundred sixty-eight billion, two hundred thirty-four million, one hundred forty-four thousand, five hundred fifty-four".