16819112425 has 12 divisors (see below), whose sum is σ = 20861410816. Its totient is φ = 13451605200.

The previous prime is 16819112389. The next prime is 16819112437. The reversal of 16819112425 is 52421191861.

It is not a de Polignac number, because 16819112425 - 2¹⁷ = 16818981353 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2920 + ... + 183430.

Almost surely, 2^16819112425 is an apocalyptic number.

It is an amenable number.

16819112425 is a deficient number, since it is larger than the sum of its proper divisors (4042298391).

16819112425 is a wasteful number, since it uses less digits than its factorization.

16819112425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184248 (or 184243 counting only the distinct ones).

The product of its digits is 34560, while the sum is 40.

The spelling of 16819112425 in words is "sixteen billion, eight hundred nineteen million, one hundred twelve thousand, four hundred twenty-five".