16961316185 has 16 divisors (see below), whose sum is σ = 22237543872. Its totient is φ = 12316814400.

The previous prime is 16961316173. The next prime is 16961316221. The reversal of 16961316185 is 58161316961.

It is a happy number.

It is not a de Polignac number, because 16961316185 - 2¹² = 16961312089 is a prime.

It is a Duffinian number.

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, 196919 + ... + 269628.

It is an arithmetic number, because the mean of its divisors is an integer number (1389846492).

Almost surely, 2^16961316185 is an apocalyptic number.

It is an amenable number.

16961316185 is a deficient number, since it is larger than the sum of its proper divisors (5276227687).

16961316185 is a wasteful number, since it uses less digits than its factorization.

16961316185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467224.

The product of its digits is 233280, while the sum is 47.

The spelling of 16961316185 in words is "sixteen billion, nine hundred sixty-one million, three hundred sixteen thousand, one hundred eighty-five".