51164016524 has 6 divisors (see below), whose sum is σ = 89537028924. Its totient is φ = 25582008260.

The previous prime is 51164016517. The next prime is 51164016529. The reversal of 51164016524 is 42561046115.

It is not an unprimeable number, because it can be changed into a prime (51164016529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6395502062 + ... + 6395502069.

It is an arithmetic number, because the mean of its divisors is an integer number (14922838154).

Almost surely, 2^51164016524 is an apocalyptic number.

It is an amenable number.

51164016524 is a deficient number, since it is larger than the sum of its proper divisors (38373012400).

51164016524 is a wasteful number, since it uses less digits than its factorization.

51164016524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791004135 (or 12791004133 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 51164016524 in words is "fifty-one billion, one hundred sixty-four million, sixteen thousand, five hundred twenty-four".