16670477005145 has 4 divisors (see below), whose sum is σ = 20004572406180. Its totient is φ = 13336381604112.

The previous prime is 16670477005139. The next prime is 16670477005151. The reversal of 16670477005145 is 54150077407661.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16670477005139) and next prime (16670477005151).

It can be written as a sum of positive squares in 2 ways, for example, as 11138398955776 + 5532078049369 = 3337424^2 + 2352037^2 .

It is a cyclic number.

It is not a de Polignac number, because 16670477005145 - 2⁴ = 16670477005129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667047700510 + ... + 1667047700519.

It is an arithmetic number, because the mean of its divisors is an integer number (5001143101545).

Almost surely, 2^{16670477005145} is an apocalyptic number.

It is an amenable number.

16670477005145 is a deficient number, since it is larger than the sum of its proper divisors (3334095401035).

16670477005145 is an equidigital number, since it uses as much as digits as its factorization.

16670477005145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334095401034.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 16670477005145 in words is "sixteen trillion, six hundred seventy billion, four hundred seventy-seven million, five thousand, one hundred forty-five".