16662147417 has 16 divisors (see below), whose sum is σ = 24692141760. Its totient is φ = 11104732800.

The previous prime is 16662147407. The next prime is 16662147419. The reversal of 16662147417 is 71474126661.

It is not a de Polignac number, because 16662147417 - 2¹⁰ = 16662146393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16662147419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059 + ... + 182552.

It is an arithmetic number, because the mean of its divisors is an integer number (1543258860).

Almost surely, 2^16662147417 is an apocalyptic number.

It is an amenable number.

16662147417 is a deficient number, since it is larger than the sum of its proper divisors (8029994343).

16662147417 is a wasteful number, since it uses less digits than its factorization.

16662147417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186981 (or 186975 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 16662147417 in words is "sixteen billion, six hundred sixty-two million, one hundred forty-seven thousand, four hundred seventeen".