20160866834 has 16 divisors (see below), whose sum is σ = 31043627520. Its totient is φ = 9816487200.

The previous prime is 20160866783. The next prime is 20160866849. The reversal of 20160866834 is 43866806102.

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, 862442 + ... + 885509.

It is an arithmetic number, because the mean of its divisors is an integer number (1940226720).

Almost surely, 2^20160866834 is an apocalyptic number.

20160866834 is a deficient number, since it is larger than the sum of its proper divisors (10882760686).

20160866834 is a wasteful number, since it uses less digits than its factorization.

20160866834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748105.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 20160866834 in words is "twenty billion, one hundred sixty million, eight hundred sixty-six thousand, eight hundred thirty-four".