51246657606 has 16 divisors (see below), whose sum is σ = 102506940144. Its totient is φ = 17079948384.

The previous prime is 51246657559. The next prime is 51246657611. The reversal of 51246657606 is 60675664215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518481 + ... + 609356.

It is an arithmetic number, because the mean of its divisors is an integer number (6406683759).

Almost surely, 2^51246657606 is an apocalyptic number.

51246657606 is an abundant number, since it is smaller than the sum of its proper divisors (51260282538).

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

51246657606 is a wasteful number, since it uses less digits than its factorization.

51246657606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135415.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 51246657606 in words is "fifty-one billion, two hundred forty-six million, six hundred fifty-seven thousand, six hundred six".