7161766272226 has 4 divisors (see below), whose sum is σ = 10742649408342. Its totient is φ = 3580883136112.

The previous prime is 7161766272223. The next prime is 7161766272257. The reversal of 7161766272226 is 6222726671617.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5429370670201 + 1732395602025 = 2330101^2 + 1316205^2 .

It is a super-2 number, since 2×7161766272226² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7161766272223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1790441568055 + ... + 1790441568058.

Almost surely, 2^{7161766272226} is an apocalyptic number.

7161766272226 is a deficient number, since it is larger than the sum of its proper divisors (3580883136116).

7161766272226 is a wasteful number, since it uses less digits than its factorization.

7161766272226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580883136115.

The product of its digits is 7112448, while the sum is 55.

The spelling of 7161766272226 in words is "seven trillion, one hundred sixty-one billion, seven hundred sixty-six million, two hundred seventy-two thousand, two hundred twenty-six".