7164945551 has 2 divisors, whose sum is σ = 7164945552. Its totient is φ = 7164945550.

The previous prime is 7164945539. The next prime is 7164945577. The reversal of 7164945551 is 1555494617.

7164945551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7164945551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7164945496 and 7164945505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7164945451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3582472775 + 3582472776.

It is an arithmetic number, because the mean of its divisors is an integer number (3582472776).

Almost surely, 2^7164945551 is an apocalyptic number.

7164945551 is a deficient number, since it is larger than the sum of its proper divisors (1).

7164945551 is an equidigital number, since it uses as much as digits as its factorization.

7164945551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 47.

The square root of 7164945551 is about 84646.0013881341. The cubic root of 7164945551 is about 1927.8399012757.

The spelling of 7164945551 in words is "seven billion, one hundred sixty-four million, nine hundred forty-five thousand, five hundred fifty-one".