1516668324 has 12 divisors (see below), whose sum is σ = 3538892784. Its totient is φ = 505556104.

The previous prime is 1516668319. The next prime is 1516668341. The reversal of 1516668324 is 4238666151.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63194502 + ... + 63194525.

It is an arithmetic number, because the mean of its divisors is an integer number (294907732).

Almost surely, 2^1516668324 is an apocalyptic number.

It is an amenable number.

1516668324 is an abundant number, since it is smaller than the sum of its proper divisors (2022224460).

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

1516668324 is a wasteful number, since it uses less digits than its factorization.

1516668324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126389034 (or 126389032 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 1516668324 is about 38944.4260966830. The cubic root of 1516668324 is about 1148.9387371224.

The spelling of 1516668324 in words is "one billion, five hundred sixteen million, six hundred sixty-eight thousand, three hundred twenty-four".