51111166162 has 16 divisors (see below), whose sum is σ = 92773209600. Its totient is φ = 20616268608.

The previous prime is 51111166159. The next prime is 51111166193. The reversal of 51111166162 is 26166111115.

51111166162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51111166162² (a number of 22 digits) contains 22 as substring.

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, 107376162 + ... + 107376637.

It is an arithmetic number, because the mean of its divisors is an integer number (5798325600).

Almost surely, 2^51111166162 is an apocalyptic number.

51111166162 is a deficient number, since it is larger than the sum of its proper divisors (41662043438).

51111166162 is a wasteful number, since it uses less digits than its factorization.

51111166162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214752825.

The product of its digits is 2160, while the sum is 31.

Adding to 51111166162 its reverse (26166111115), we get a palindrome (77277277277).

The spelling of 51111166162 in words is "fifty-one billion, one hundred eleven million, one hundred sixty-six thousand, one hundred sixty-two".