10116443721 has 8 divisors (see below), whose sum is σ = 13614653664. Its totient is φ = 6681264800.

The previous prime is 10116443693. The next prime is 10116443737. The reversal of 10116443721 is 12734461101.

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

It is a cyclic number.

It is not a de Polignac number, because 10116443721 - 2⁹ = 10116443209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10116403721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15757380 + ... + 15758021.

It is an arithmetic number, because the mean of its divisors is an integer number (1701831708).

Almost surely, 2^10116443721 is an apocalyptic number.

It is an amenable number.

10116443721 is a deficient number, since it is larger than the sum of its proper divisors (3498209943).

10116443721 is a wasteful number, since it uses less digits than its factorization.

10116443721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31515511.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 10116443721 in words is "ten billion, one hundred sixteen million, four hundred forty-three thousand, seven hundred twenty-one".