1816112625 has 96 divisors (see below), whose sum is σ = 3306875520. Its totient is φ = 882057600.

The previous prime is 1816112603. The next prime is 1816112633. The reversal of 1816112625 is 5262116181.

It is not a de Polignac number, because 1816112625 - 2⁷ = 1816112497 is a prime.

Its product of digits (5760) is a multiple of the sum of its prime factors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21880834 + ... + 21880916.

It is an arithmetic number, because the mean of its divisors is an integer number (34446620).

Almost surely, 2^1816112625 is an apocalyptic number.

1816112625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1816112625 is a deficient number, since it is larger than the sum of its proper divisors (1490762895).

1816112625 is an equidigital number, since it uses as much as digits as its factorization.

1816112625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 147 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 1816112625 is about 42615.8729231257. The cubic root of 1816112625 is about 1220.0592609841.

The spelling of 1816112625 in words is "one billion, eight hundred sixteen million, one hundred twelve thousand, six hundred twenty-five".