1516125648 has 40 divisors (see below), whose sum is σ = 4007748448. Its totient is φ = 493621632.

The previous prime is 1516125643. The next prime is 1516125673. The reversal of 1516125648 is 8465216151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516125643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 365215 + ... + 369342.

Almost surely, 2^1516125648 is an apocalyptic number.

It is an amenable number.

1516125648 is an abundant number, since it is smaller than the sum of its proper divisors (2491622800).

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

1516125648 is a wasteful number, since it uses less digits than its factorization.

1516125648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734611 (or 734605 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 1516125648 is about 38937.4581604912. The cubic root of 1516125648 is about 1148.8016876331.

The spelling of 1516125648 in words is "one billion, five hundred sixteen million, one hundred twenty-five thousand, six hundred forty-eight".