1516825836 has 18 divisors (see below), whose sum is σ = 3834198732. Its totient is φ = 505608600.

The previous prime is 1516825823. The next prime is 1516825853. The reversal of 1516825836 is 6385286151.

1516825836 is a `hidden beast` number, since 1 + 5 + 1 + 68 + 2 + 583 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1516825791 and 1516825800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21066990 + ... + 21067061.

Almost surely, 2^1516825836 is an apocalyptic number.

It is an amenable number.

1516825836 is an abundant number, since it is smaller than the sum of its proper divisors (2317372896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1516825836 is a wasteful number, since it uses less digits than its factorization.

1516825836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42134061 (or 42134056 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1516825836 is about 38946.4483104686. The cubic root of 1516825836 is about 1148.9785096886.

The spelling of 1516825836 in words is "one billion, five hundred sixteen million, eight hundred twenty-five thousand, eight hundred thirty-six".