19500116 has 12 divisors (see below), whose sum is σ = 35226240. Its totient is φ = 9435480.

The previous prime is 19500109. The next prime is 19500121. The reversal of 19500116 is 61100591.

It is a junction number, because it is equal to n+sod(n) for n = 19500091 and 19500100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78506 + ... + 78753.

It is an arithmetic number, because the mean of its divisors is an integer number (2935520).

Almost surely, 2^19500116 is an apocalyptic number.

It is an amenable number.

19500116 is a deficient number, since it is larger than the sum of its proper divisors (15726124).

19500116 is a wasteful number, since it uses less digits than its factorization.

19500116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157294 (or 157292 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 19500116 is about 4415.8935675580. The cubic root of 19500116 is about 269.1611643235.

The spelling of 19500116 in words is "nineteen million, five hundred thousand, one hundred sixteen".