206016147455 has 4 divisors (see below), whose sum is σ = 247219376952. Its totient is φ = 164812917960.

The previous prime is 206016147439. The next prime is 206016147479. The reversal of 206016147455 is 554741610602.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 206016147455 - 2⁴ = 206016147439 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 20601614741 + ... + 20601614750.

It is an arithmetic number, because the mean of its divisors is an integer number (61804844238).

Almost surely, 2^206016147455 is an apocalyptic number.

206016147455 is a deficient number, since it is larger than the sum of its proper divisors (41203229497).

206016147455 is an equidigital number, since it uses as much as digits as its factorization.

206016147455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41203229496.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 206016147455 in words is "two hundred six billion, sixteen million, one hundred forty-seven thousand, four hundred fifty-five".