16666703337020 has 24 divisors (see below), whose sum is σ = 38181902190768. Its totient is φ = 6060619395200.

The previous prime is 16666703337001. The next prime is 16666703337059. The reversal of 16666703337020 is 2073330766661.

16666703337020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16666703337020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37878871001 + ... + 37878871440.

It is an arithmetic number, because the mean of its divisors is an integer number (1590912591282).

Almost surely, 2^{16666703337020} is an apocalyptic number.

16666703337020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16666703337020 is an abundant number, since it is smaller than the sum of its proper divisors (21515198853748).

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

16666703337020 is a wasteful number, since it uses less digits than its factorization.

16666703337020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75757742461 (or 75757742459 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 50.

The spelling of 16666703337020 in words is "sixteen trillion, six hundred sixty-six billion, seven hundred three million, three hundred thirty-seven thousand, twenty".