7161766272223 has 2 divisors, whose sum is σ = 7161766272224. Its totient is φ = 7161766272222.

The previous prime is 7161766272211. The next prime is 7161766272257. The reversal of 7161766272223 is 3222726671617.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7161766272223 is a prime.

It is a super-2 number, since 2×7161766272223² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7161766272823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3580883136111 + 3580883136112.

It is an arithmetic number, because the mean of its divisors is an integer number (3580883136112).

Almost surely, 2^{7161766272223} is an apocalyptic number.

7161766272223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7161766272223 is an equidigital number, since it uses as much as digits as its factorization.

7161766272223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 52.

The spelling of 7161766272223 in words is "seven trillion, one hundred sixty-one billion, seven hundred sixty-six million, two hundred seventy-two thousand, two hundred twenty-three".