51316160 has 112 divisors (see below), whose sum is σ = 144353280. Its totient is φ = 17003520.

The previous prime is 51316147. The next prime is 51316163. The reversal of 51316160 is 6161315.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51316163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69071 + ... + 69809.

Almost surely, 2^51316160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51316160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72176640).

51316160 is an abundant number, since it is smaller than the sum of its proper divisors (93037120).

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

51316160 is a wasteful number, since it uses less digits than its factorization.

51316160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 51316160 is about 7163.5298561533. The cubic root of 51316160 is about 371.6077107135.

Adding to 51316160 its reverse (6161315), we get a palindrome (57477475).

The spelling of 51316160 in words is "fifty-one million, three hundred sixteen thousand, one hundred sixty".