16986235946 has 32 divisors (see below), whose sum is σ = 27093623040. Its totient is φ = 7971759936.

The previous prime is 16986235927. The next prime is 16986235969. The reversal of 16986235946 is 64953268961.

It is a super-2 number, since 2×16986235946² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3188441 + ... + 3193763.

It is an arithmetic number, because the mean of its divisors is an integer number (846675720).

Almost surely, 2^16986235946 is an apocalyptic number.

16986235946 is a deficient number, since it is larger than the sum of its proper divisors (10107387094).

16986235946 is a wasteful number, since it uses less digits than its factorization.

16986235946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878.

The product of its digits is 16796160, while the sum is 59.

The spelling of 16986235946 in words is "sixteen billion, nine hundred eighty-six million, two hundred thirty-five thousand, nine hundred forty-six".