51600611606 has 4 divisors (see below), whose sum is σ = 77400917412. Its totient is φ = 25800305802.

The previous prime is 51600611599. The next prime is 51600611633. The reversal of 51600611606 is 60611600615.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×51600611606² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12900152900 + ... + 12900152903.

It is an arithmetic number, because the mean of its divisors is an integer number (19350229353).

Almost surely, 2^51600611606 is an apocalyptic number.

51600611606 is a deficient number, since it is larger than the sum of its proper divisors (25800305806).

51600611606 is a wasteful number, since it uses less digits than its factorization.

51600611606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25800305805.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 51600611606 in words is "fifty-one billion, six hundred million, six hundred eleven thousand, six hundred six".