206414640014554 has 8 divisors (see below), whose sum is σ = 310557373799328. Its totient is φ = 102895515414780.

The previous prime is 206414640014459. The next prime is 206414640014579. The reversal of 206414640014554 is 455410046414602.

It is a happy number.

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

It is a super-2 number, since 2×206414640014554² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155902295422 + ... + 155902296745.

It is an arithmetic number, because the mean of its divisors is an integer number (38819671724916).

Almost surely, 2^{206414640014554} is an apocalyptic number.

206414640014554 is a deficient number, since it is larger than the sum of its proper divisors (104142733784774).

206414640014554 is a wasteful number, since it uses less digits than its factorization.

206414640014554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311804592500.

The product of its (nonzero) digits is 1843200, while the sum is 46.

The spelling of 206414640014554 in words is "two hundred six trillion, four hundred fourteen billion, six hundred forty million, fourteen thousand, five hundred fifty-four".