2660420446846 has 8 divisors (see below), whose sum is σ = 3990639888144. Its totient is φ = 1330207150800.

The previous prime is 2660420446829. The next prime is 2660420446861. The reversal of 2660420446846 is 6486440240662.

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 2×2660420446846² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2660420446793 and 2660420446802.

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, 232810 + ... + 2318413.

It is an arithmetic number, because the mean of its divisors is an integer number (498829986018).

Almost surely, 2^{2660420446846} is an apocalyptic number.

2660420446846 is a deficient number, since it is larger than the sum of its proper divisors (1330219441298).

2660420446846 is a wasteful number, since it uses less digits than its factorization.

2660420446846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072626.

The product of its (nonzero) digits is 10616832, while the sum is 52.

The spelling of 2660420446846 in words is "two trillion, six hundred sixty billion, four hundred twenty million, four hundred forty-six thousand, eight hundred forty-six".