6680726145 has 48 divisors (see below), whose sum is σ = 11981798400. Its totient is φ = 3439946880.

The previous prime is 6680726137. The next prime is 6680726167. The reversal of 6680726145 is 5416270866.

It is not a de Polignac number, because 6680726145 - 2³ = 6680726137 is a prime.

It is a super-2 number, since 2×6680726145² = 89264203648973122050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6680726145.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 606951 + ... + 617859.

It is an arithmetic number, because the mean of its divisors is an integer number (249620800).

Almost surely, 2^6680726145 is an apocalyptic number.

It is an amenable number.

6680726145 is a deficient number, since it is larger than the sum of its proper divisors (5301072255).

6680726145 is a wasteful number, since it uses less digits than its factorization.

6680726145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11390 (or 11387 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 6680726145 is about 81735.7091178635. The cubic root of 6680726145 is about 1883.3941763482.

The spelling of 6680726145 in words is "six billion, six hundred eighty million, seven hundred twenty-six thousand, one hundred forty-five".