51051516606 has 48 divisors (see below), whose sum is σ = 111071656800. Its totient is φ = 16946544384.

The previous prime is 51051516601. The next prime is 51051516617. The reversal of 51051516606 is 60661515015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051516601) 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, 4536735 + ... + 4547973.

It is an arithmetic number, because the mean of its divisors is an integer number (2313992850).

Almost surely, 2^51051516606 is an apocalyptic number.

51051516606 is an abundant number, since it is smaller than the sum of its proper divisors (60020140194).

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

51051516606 is a wasteful number, since it uses less digits than its factorization.

51051516606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273 (or 12270 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 51051516606 in words is "fifty-one billion, fifty-one million, five hundred sixteen thousand, six hundred six".