16244980947 has 32 divisors (see below), whose sum is σ = 25931223360. Its totient is φ = 9991779840.

The previous prime is 16244980919. The next prime is 16244980949. The reversal of 16244980947 is 74908944261.

16244980947 is a `hidden beast` number, since 1 + 62 + 4 + 498 + 0 + 94 + 7 = 666.

It is not a de Polignac number, because 16244980947 - 2¹¹ = 16244978899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16244980893 and 16244980902.

It is not an unprimeable number, because it can be changed into a prime (16244980949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740683 + ... + 762299.

It is an arithmetic number, because the mean of its divisors is an integer number (810350730).

Almost surely, 2^16244980947 is an apocalyptic number.

16244980947 is a deficient number, since it is larger than the sum of its proper divisors (9686242413).

16244980947 is a wasteful number, since it uses less digits than its factorization.

16244980947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23780 (or 23774 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 16244980947 in words is "sixteen billion, two hundred forty-four million, nine hundred eighty thousand, nine hundred forty-seven".