1516251488 has 24 divisors (see below), whose sum is σ = 3160716552. Its totient is φ = 713529856.

The previous prime is 1516251487. The next prime is 1516251493. The reversal of 1516251488 is 8841526151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516251487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393070 + ... + 1394157.

It is an arithmetic number, because the mean of its divisors is an integer number (131696523).

Almost surely, 2^1516251488 is an apocalyptic number.

It is an amenable number.

1516251488 is an abundant number, since it is smaller than the sum of its proper divisors (1644465064).

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

1516251488 is a wasteful number, since it uses less digits than its factorization.

1516251488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787254 (or 2787246 counting only the distinct ones).

The product of its digits is 76800, while the sum is 41.

The square root of 1516251488 is about 38939.0740516515. The cubic root of 1516251488 is about 1148.8334706640.

The spelling of 1516251488 in words is "one billion, five hundred sixteen million, two hundred fifty-one thousand, four hundred eighty-eight".