511216162234 has 16 divisors (see below), whose sum is σ = 786651522048. Its totient is φ = 249047764272.

The previous prime is 511216162217. The next prime is 511216162267. The reversal of 511216162234 is 432261612115.

It is a super-2 number, since 2×511216162234² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511216162234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12172917 + ... + 12214840.

It is an arithmetic number, because the mean of its divisors is an integer number (49165720128).

Almost surely, 2^511216162234 is an apocalyptic number.

511216162234 is a deficient number, since it is larger than the sum of its proper divisors (275435359814).

511216162234 is a wasteful number, since it uses less digits than its factorization.

511216162234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24388029.

The product of its digits is 17280, while the sum is 34.

Adding to 511216162234 its reverse (432261612115), we get a palindrome (943477774349).

The spelling of 511216162234 in words is "five hundred eleven billion, two hundred sixteen million, one hundred sixty-two thousand, two hundred thirty-four".