2660505346 has 8 divisors (see below), whose sum is σ = 3991570704. Its totient is φ = 1329981780.

The previous prime is 2660505317. The next prime is 2660505361. The reversal of 2660505346 is 6435050662.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122940 + ... + 142951.

It is an arithmetic number, because the mean of its divisors is an integer number (498946338).

Almost surely, 2^2660505346 is an apocalyptic number.

2660505346 is a deficient number, since it is larger than the sum of its proper divisors (1331065358).

2660505346 is a wasteful number, since it uses less digits than its factorization.

2660505346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270896.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 2660505346 is about 51580.0867195859. The cubic root of 2660505346 is about 1385.6537198162.

The spelling of 2660505346 in words is "two billion, six hundred sixty million, five hundred five thousand, three hundred forty-six".