10082721868 has 12 divisors (see below), whose sum is σ = 18573435160. Its totient is φ = 4776026112.

The previous prime is 10082721833. The next prime is 10082721877. The reversal of 10082721868 is 86812728001.

It is a super-2 number, since 2×10082721868² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66333621 + ... + 66333772.

Almost surely, 2^10082721868 is an apocalyptic number.

It is an amenable number.

10082721868 is a deficient number, since it is larger than the sum of its proper divisors (8490713292).

10082721868 is a wasteful number, since it uses less digits than its factorization.

10082721868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132667416 (or 132667414 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 10082721868 in words is "ten billion, eighty-two million, seven hundred twenty-one thousand, eight hundred sixty-eight".