7916227356161 has 8 divisors (see below), whose sum is σ = 8189234466600. Its totient is φ = 7643222496000.

The previous prime is 7916227356143. The next prime is 7916227356241. The reversal of 7916227356161 is 1616537226197.

It can be written as a sum of positive squares in 4 ways, for example, as 4299688397761 + 3616538958400 = 2073569^2 + 1901720^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7916227356161 - 2²⁶ = 7916160247297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7916227356097 and 7916227356106.

It is not an unprimeable number, because it can be changed into a prime (7916227356131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9880475 + ... + 10651583.

It is an arithmetic number, because the mean of its divisors is an integer number (1023654308325).

Almost surely, 2^{7916227356161} is an apocalyptic number.

It is an amenable number.

7916227356161 is a deficient number, since it is larger than the sum of its proper divisors (273007110439).

7916227356161 is a wasteful number, since it uses less digits than its factorization.

7916227356161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125139.

The product of its digits is 5715360, while the sum is 56.

The spelling of 7916227356161 in words is "seven trillion, nine hundred sixteen billion, two hundred twenty-seven million, three hundred fifty-six thousand, one hundred sixty-one".