2516171852 has 12 divisors (see below), whose sum is σ = 4448696280. Its totient is φ = 1245115776.

The previous prime is 2516171821. The next prime is 2516171897. The reversal of 2516171852 is 2581716152.

It is a super-2 number, since 2×2516171852² = 12662241577594219808, which contains 22 as substring.

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, 3242102 + ... + 3242877.

It is an arithmetic number, because the mean of its divisors is an integer number (370724690).

Almost surely, 2^2516171852 is an apocalyptic number.

It is an amenable number.

2516171852 is a deficient number, since it is larger than the sum of its proper divisors (1932524428).

2516171852 is a wasteful number, since it uses less digits than its factorization.

2516171852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485080 (or 6485078 counting only the distinct ones).

The product of its digits is 33600, while the sum is 38.

The square root of 2516171852 is about 50161.4578336794. The cubic root of 2516171852 is about 1360.1289980004.

The spelling of 2516171852 in words is "two billion, five hundred sixteen million, one hundred seventy-one thousand, eight hundred fifty-two".