206401334455 has 8 divisors (see below), whose sum is σ = 256222346400. Its totient is φ = 159427237536.

The previous prime is 206401334443. The next prime is 206401334471. The reversal of 206401334455 is 554433104602.

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

It is a cyclic number.

It is not a de Polignac number, because 206401334455 - 2⁵ = 206401334423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711728595 + ... + 711728884.

It is an arithmetic number, because the mean of its divisors is an integer number (32027793300).

Almost surely, 2^206401334455 is an apocalyptic number.

206401334455 is a deficient number, since it is larger than the sum of its proper divisors (49821011945).

206401334455 is a wasteful number, since it uses less digits than its factorization.

206401334455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423457513.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 206401334455 in words is "two hundred six billion, four hundred one million, three hundred thirty-four thousand, four hundred fifty-five".