16670015650655 has 4 divisors (see below), whose sum is σ = 20004018780792. Its totient is φ = 13336012520520.

The previous prime is 16670015650621. The next prime is 16670015650669. The reversal of 16670015650655 is 55605651007661.

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

It is not a de Polignac number, because 16670015650655 - 2¹⁰ = 16670015649631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16670015650597 and 16670015650606.

It is a congruent number.

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, 1667001565061 + ... + 1667001565070.

It is an arithmetic number, because the mean of its divisors is an integer number (5001004695198).

Almost surely, 2^{16670015650655} is an apocalyptic number.

16670015650655 is a deficient number, since it is larger than the sum of its proper divisors (3334003130137).

16670015650655 is an equidigital number, since it uses as much as digits as its factorization.

16670015650655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334003130136.

The product of its (nonzero) digits is 5670000, while the sum is 53.

The spelling of 16670015650655 in words is "sixteen trillion, six hundred seventy billion, fifteen million, six hundred fifty thousand, six hundred fifty-five".