6151668321 has 8 divisors (see below), whose sum is σ = 8215874464. Its totient is φ = 4094287200.

The previous prime is 6151668319. The next prime is 6151668337. The reversal of 6151668321 is 1238661516.

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

It is not a de Polignac number, because 6151668321 - 2¹ = 6151668319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6151668321.

It is not an unprimeable number, because it can be changed into a prime (6151668121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704151 + ... + 1707756.

It is an arithmetic number, because the mean of its divisors is an integer number (1026984308).

Almost surely, 2^6151668321 is an apocalyptic number.

It is an amenable number.

6151668321 is a deficient number, since it is larger than the sum of its proper divisors (2064206143).

6151668321 is a wasteful number, since it uses less digits than its factorization.

6151668321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412511.

The product of its digits is 51840, while the sum is 39.

The square root of 6151668321 is about 78432.5718117161. The cubic root of 6151668321 is about 1832.3044536098.

The spelling of 6151668321 in words is "six billion, one hundred fifty-one million, six hundred sixty-eight thousand, three hundred twenty-one".