51213040162 has 8 divisors (see below), whose sum is σ = 78606061776. Its totient is φ = 25011019572.

The previous prime is 51213040159. The next prime is 51213040189. The reversal of 51213040162 is 26104031215.

It is a happy number.

51213040162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297750148 + ... + 297750319.

It is an arithmetic number, because the mean of its divisors is an integer number (9825757722).

Almost surely, 2^51213040162 is an apocalyptic number.

51213040162 is a deficient number, since it is larger than the sum of its proper divisors (27393021614).

51213040162 is a wasteful number, since it uses less digits than its factorization.

51213040162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595500512.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 51213040162 its reverse (26104031215), we get a palindrome (77317071377).

The spelling of 51213040162 in words is "fifty-one billion, two hundred thirteen million, forty thousand, one hundred sixty-two".