7332668161 has 27 divisors (see below), whose sum is σ = 9246278313. Its totient is φ = 5795506080.

The previous prime is 7332668153. The next prime is 7332668171. The reversal of 7332668161 is 1618662337.

The square root of 7332668161 is 85631.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 519156225 + 6813511936 = 22785^2 + 82544^2 .

It is not a de Polignac number, because 7332668161 - 2³ = 7332668153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7332668131) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7791951 + ... + 7792891.

Almost surely, 2^7332668161 is an apocalyptic number.

7332668161 is the 85631-st square number.

7332668161 is the 42816-th centered octagonal number.

It is an amenable number.

7332668161 is a deficient number, since it is larger than the sum of its proper divisors (1913610152).

7332668161 is an frugal number, since it uses more digits than its factorization.

7332668161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 961 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The cubic root of 7332668161 is about 1942.7668177708.

The spelling of 7332668161 in words is "seven billion, three hundred thirty-two million, six hundred sixty-eight thousand, one hundred sixty-one".