16619890941 has 24 divisors (see below), whose sum is σ = 24536438784. Its totient is φ = 10837804320.

The previous prime is 16619890927. The next prime is 16619890949. The reversal of 16619890941 is 14909891661.

16619890941 is a `hidden beast` number, since 16 + 619 + 8 + 9 + 0 + 9 + 4 + 1 = 666.

It is not a de Polignac number, because 16619890941 - 2⁷ = 16619890813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16619890949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21246 + ... + 183551.

It is an arithmetic number, because the mean of its divisors is an integer number (1022351616).

Almost surely, 2^16619890941 is an apocalyptic number.

It is an amenable number.

16619890941 is a deficient number, since it is larger than the sum of its proper divisors (7916547843).

16619890941 is a wasteful number, since it uses less digits than its factorization.

16619890941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205001 (or 204998 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 16619890941 in words is "sixteen billion, six hundred nineteen million, eight hundred ninety thousand, nine hundred forty-one".