10642647916 has 24 divisors (see below), whose sum is σ = 19609210880. Its totient is φ = 5040140112.

The previous prime is 10642647907. The next prime is 10642647947. The reversal of 10642647916 is 61974624601.

It is a super-2 number, since 2×10642647916² (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 7 ways as a sum of consecutive naturals, for example, 405505 + ... + 430951.

Almost surely, 2^10642647916 is an apocalyptic number.

It is an amenable number.

10642647916 is a deficient number, since it is larger than the sum of its proper divisors (8966562964).

10642647916 is a wasteful number, since it uses less digits than its factorization.

10642647916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30973 (or 30971 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 10642647916 in words is "ten billion, six hundred forty-two million, six hundred forty-seven thousand, nine hundred sixteen".