1516664264 has 16 divisors (see below), whose sum is σ = 2844161100. Its totient is φ = 758221312.

The previous prime is 1516664263. The next prime is 1516664267. The reversal of 1516664264 is 4624666151.

It can be written as a sum of positive squares in 2 ways, for example, as 1516479364 + 184900 = 38942^2 + 430^2 .

It is not an unprimeable number, because it can be changed into a prime (1516664263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90944 + ... + 106320.

Almost surely, 2^1516664264 is an apocalyptic number.

It is an amenable number.

1516664264 is a deficient number, since it is larger than the sum of its proper divisors (1327496836).

1516664264 is a wasteful number, since it uses less digits than its factorization.

1516664264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27712 (or 27708 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 1516664264 is about 38944.3739710886. The cubic root of 1516664264 is about 1148.9377119157.

The spelling of 1516664264 in words is "one billion, five hundred sixteen million, six hundred sixty-four thousand, two hundred sixty-four".