2516216264 has 8 divisors (see below), whose sum is σ = 4717905510. Its totient is φ = 1258108128.

The previous prime is 2516216249. The next prime is 2516216273. The reversal of 2516216264 is 4626126152.

It can be written as a sum of positive squares in only one way, i.e., 2167647364 + 348568900 = 46558^2 + 18670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 157263509 + ... + 157263524.

Almost surely, 2^2516216264 is an apocalyptic number.

It is an amenable number.

2516216264 is a deficient number, since it is larger than the sum of its proper divisors (2201689246).

2516216264 is a wasteful number, since it uses less digits than its factorization.

2516216264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314527039 (or 314527035 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 2516216264 is about 50161.9005222091. The cubic root of 2516216264 is about 1360.1370003279.

The spelling of 2516216264 in words is "two billion, five hundred sixteen million, two hundred sixteen thousand, two hundred sixty-four".