200166870170 has 48 divisors (see below), whose sum is σ = 389791452960. Its totient is φ = 73802539584.

The previous prime is 200166870149. The next prime is 200166870179. The reversal of 200166870170 is 71078661002.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (200166870179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124664 + ... + 644883.

It is an arithmetic number, because the mean of its divisors is an integer number (8120655270).

Almost surely, 2^200166870170 is an apocalyptic number.

200166870170 is a deficient number, since it is larger than the sum of its proper divisors (189624582790).

200166870170 is a wasteful number, since it uses less digits than its factorization.

200166870170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769647 (or 769610 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 200166870170 in words is "two hundred billion, one hundred sixty-six million, eight hundred seventy thousand, one hundred seventy".