51163716 has 24 divisors (see below), whose sum is σ = 119830144. Its totient is φ = 16990560.

The previous prime is 51163703. The next prime is 51163741. The reversal of 51163716 is 61736115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4615 + ... + 11118.

Almost surely, 2^51163716 is an apocalyptic number.

It is an amenable number.

51163716 is an abundant number, since it is smaller than the sum of its proper divisors (68666428).

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

51163716 is a wasteful number, since it uses less digits than its factorization.

51163716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16011 (or 16009 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 51163716 is about 7152.8816570666. The cubic root of 51163716 is about 371.2393696012.

The spelling of 51163716 in words is "fifty-one million, one hundred sixty-three thousand, seven hundred sixteen".