51146330604 has 24 divisors (see below), whose sum is σ = 119394518208. Its totient is φ = 17041194000.

The previous prime is 51146330579. The next prime is 51146330681. The reversal of 51146330604 is 40603364115.

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, 919722 + ... + 973745.

It is an arithmetic number, because the mean of its divisors is an integer number (4974771592).

Almost surely, 2^51146330604 is an apocalyptic number.

It is an amenable number.

51146330604 is an abundant number, since it is smaller than the sum of its proper divisors (68248187604).

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

51146330604 is a wasteful number, since it uses less digits than its factorization.

51146330604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895725 (or 1895723 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 51146330604 its reverse (40603364115), we get a palindrome (91749694719).

The spelling of 51146330604 in words is "fifty-one billion, one hundred forty-six million, three hundred thirty thousand, six hundred four".