16671466246545 has 80 divisors (see below), whose sum is σ = 32994774090432. Its totient is φ = 7985747802240.

The previous prime is 16671466246541. The next prime is 16671466246577. The reversal of 16671466246545 is 54564266417661.

16671466246545 is a `hidden beast` number, since 1 + 6 + 6 + 7 + 1 + 4 + 66 + 24 + 6 + 545 = 666.

It is not a de Polignac number, because 16671466246545 - 2² = 16671466246541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16671466246541) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22173562 + ... + 22913091.

Almost surely, 2^{16671466246545} is an apocalyptic number.

16671466246545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16671466246545 is a deficient number, since it is larger than the sum of its proper divisors (16323307843887).

16671466246545 is a wasteful number, since it uses less digits than its factorization.

16671466246545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45086764 (or 45086755 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 63.

The spelling of 16671466246545 in words is "sixteen trillion, six hundred seventy-one billion, four hundred sixty-six million, two hundred forty-six thousand, five hundred forty-five".