20166683353352 has 16 divisors (see below), whose sum is σ = 37831075963200. Its totient is φ = 10078396429840.

The previous prime is 20166683353321. The next prime is 20166683353373. The reversal of 20166683353352 is 25335338666102.

It is a junction number, because it is equal to n+sod(n) for n = 20166683353294 and 20166683353303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618138524 + ... + 618171147.

It is an arithmetic number, because the mean of its divisors is an integer number (2364442247700).

Almost surely, 2^{20166683353352} is an apocalyptic number.

It is an amenable number.

20166683353352 is a deficient number, since it is larger than the sum of its proper divisors (17664392609848).

20166683353352 is a wasteful number, since it uses less digits than its factorization.

20166683353352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236311716 (or 1236311712 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 53.

The spelling of 20166683353352 in words is "twenty trillion, one hundred sixty-six billion, six hundred eighty-three million, three hundred fifty-three thousand, three hundred fifty-two".