1320525016 has 16 divisors (see below), whose sum is σ = 2492604000. Its totient is φ = 655830624.

The previous prime is 1320525001. The next prime is 1320525047. The reversal of 1320525016 is 6105250231.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 552720 + ... + 555103.

It is an arithmetic number, because the mean of its divisors is an integer number (155787750).

Almost surely, 2^1320525016 is an apocalyptic number.

It is an amenable number.

1320525016 is a deficient number, since it is larger than the sum of its proper divisors (1172078984).

1320525016 is a wasteful number, since it uses less digits than its factorization.

1320525016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107978 (or 1107974 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1320525016 is about 36339.0288257680. The cubic root of 1320525016 is about 1097.1067261180.

Adding to 1320525016 its reverse (6105250231), we get a palindrome (7425775247).

The spelling of 1320525016 in words is "one billion, three hundred twenty million, five hundred twenty-five thousand, sixteen".