5168922081 has 16 divisors (see below), whose sum is σ = 6967435968. Its totient is φ = 3408281600.

The previous prime is 5168922079. The next prime is 5168922119. The reversal of 5168922081 is 1802298615.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5168922081 - 2¹ = 5168922079 is a prime.

It is a super-2 number, since 2×5168922081² = 53435510958898741122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5168922001) 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, 193201 + ... + 218321.

It is an arithmetic number, because the mean of its divisors is an integer number (435464748).

Almost surely, 2^5168922081 is an apocalyptic number.

It is an amenable number.

5168922081 is a deficient number, since it is larger than the sum of its proper divisors (1798513887).

5168922081 is a wasteful number, since it uses less digits than its factorization.

5168922081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25872.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 5168922081 is about 71895.2159813155. The cubic root of 5168922081 is about 1729.0199134156.

The spelling of 5168922081 in words is "five billion, one hundred sixty-eight million, nine hundred twenty-two thousand, eighty-one".