1081668715 has 8 divisors (see below), whose sum is σ = 1303574688. Its totient is φ = 861620160.

The previous prime is 1081668713. The next prime is 1081668737. The reversal of 1081668715 is 5178661801.

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

It is not a de Polignac number, because 1081668715 - 2¹ = 1081668713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081668713) 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, 463071 + ... + 465400.

It is an arithmetic number, because the mean of its divisors is an integer number (162946836).

Almost surely, 2^1081668715 is an apocalyptic number.

1081668715 is a deficient number, since it is larger than the sum of its proper divisors (221905973).

1081668715 is an equidigital number, since it uses as much as digits as its factorization.

1081668715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928709.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 1081668715 is about 32888.7323410313. The cubic root of 1081668715 is about 1026.5137150685.

The spelling of 1081668715 in words is "one billion, eighty-one million, six hundred sixty-eight thousand, seven hundred fifteen".