51168016 has 20 divisors (see below), whose sum is σ = 99259024. Its totient is φ = 25552800.

The previous prime is 51167999. The next prime is 51168017. The reversal of 51168016 is 61086115.

It is a super-2 number, since 2×51168016² = 5236331722752512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51168017) 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, 17371 + ... + 20101.

Almost surely, 2^51168016 is an apocalyptic number.

It is an amenable number.

51168016 is a deficient number, since it is larger than the sum of its proper divisors (48091008).

51168016 is a wasteful number, since it uses less digits than its factorization.

51168016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910 (or 3904 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 51168016 is about 7153.1822289104. The cubic root of 51168016 is about 371.2497694489.

The spelling of 51168016 in words is "fifty-one million, one hundred sixty-eight thousand, sixteen".