51016661146 has 32 divisors (see below), whose sum is σ = 87206025600. Its totient is φ = 22157076480.

The previous prime is 51016661093. The next prime is 51016661147. The reversal of 51016661146 is 64116661015.

51016661146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51016661147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415810 + ... + 524338.

It is an arithmetic number, because the mean of its divisors is an integer number (2725188300).

Almost surely, 2^51016661146 is an apocalyptic number.

51016661146 is a deficient number, since it is larger than the sum of its proper divisors (36189364454).

51016661146 is a wasteful number, since it uses less digits than its factorization.

51016661146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109494.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 51016661146 in words is "fifty-one billion, sixteen million, six hundred sixty-one thousand, one hundred forty-six".