51710016699 has 24 divisors (see below), whose sum is σ = 82863518400. Its totient is φ = 30808224240.

The previous prime is 51710016653. The next prime is 51710016719. The reversal of 51710016699 is 99661001715.

It is not a de Polignac number, because 51710016699 - 2¹⁵ = 51709983931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51710016619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4420629 + ... + 4432310.

It is an arithmetic number, because the mean of its divisors is an integer number (3452646600).

Almost surely, 2^51710016699 is an apocalyptic number.

51710016699 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

51710016699 is a deficient number, since it is larger than the sum of its proper divisors (31153501701).

51710016699 is a wasteful number, since it uses less digits than its factorization.

51710016699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853015 (or 8853012 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The spelling of 51710016699 in words is "fifty-one billion, seven hundred ten million, sixteen thousand, six hundred ninety-nine".