51041656158 has 16 divisors (see below), whose sum is σ = 102090773520. Its totient is φ = 17012641856.

The previous prime is 51041656087. The next prime is 51041656261. The reversal of 51041656158 is 85165614015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219903 + ... + 387866.

It is an arithmetic number, because the mean of its divisors is an integer number (6380673345).

Almost surely, 2^51041656158 is an apocalyptic number.

51041656158 is an abundant number, since it is smaller than the sum of its proper divisors (51049117362).

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

51041656158 is a wasteful number, since it uses less digits than its factorization.

51041656158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621771.

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 51041656158 in words is "fifty-one billion, forty-one million, six hundred fifty-six thousand, one hundred fifty-eight".