16660336520455 has 8 divisors (see below), whose sum is σ = 19992590709552. Its totient is φ = 13328144626368.

The previous prime is 16660336520449. The next prime is 16660336520521. The reversal of 16660336520455 is 55402563306661.

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 16660336520455 - 2⁷ = 16660336520327 is a prime.

It is a Duffinian number.

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, 14983342 + ... + 16056811.

It is an arithmetic number, because the mean of its divisors is an integer number (2499073838694).

Almost surely, 2^{16660336520455} is an apocalyptic number.

16660336520455 is a deficient number, since it is larger than the sum of its proper divisors (3332254189097).

16660336520455 is a wasteful number, since it uses less digits than its factorization.

16660336520455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31147505.

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 16660336520455 in words is "sixteen trillion, six hundred sixty billion, three hundred thirty-six million, five hundred twenty thousand, four hundred fifty-five".