16666836869070 has 64 divisors (see below), whose sum is σ = 44445314580480. Its totient is φ = 4444448205600.

The previous prime is 16666836869027. The next prime is 16666836869071. The reversal of 16666836869070 is 7096863866661.

It is a self number, because there is not a number n which added to its sum of digits gives 16666836869070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16666836869071) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 37935555 + ... + 38372385.

It is an arithmetic number, because the mean of its divisors is an integer number (694458040320).

Almost surely, 2^{16666836869070} is an apocalyptic number.

16666836869070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16666836869070 is an abundant number, since it is smaller than the sum of its proper divisors (27778477711410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16666836869070 is a wasteful number, since it uses less digits than its factorization.

16666836869070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578158 (or 578152 counting only the distinct ones).

The product of its (nonzero) digits is 564350976, while the sum is 72.

The spelling of 16666836869070 in words is "sixteen trillion, six hundred sixty-six billion, eight hundred thirty-six million, eight hundred sixty-nine thousand, seventy".