5696166121 has 4 divisors (see below), whose sum is σ = 5835097044. Its totient is φ = 5557235200.

The previous prime is 5696166107. The next prime is 5696166137. The reversal of 5696166121 is 1216616965.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1216616965 = 5 ⋅243323393.

It can be written as a sum of positive squares in 2 ways, for example, as 2439866025 + 3256300096 = 49395^2 + 57064^2 .

It is a cyclic number.

It is not a de Polignac number, because 5696166121 - 2⁵ = 5696166089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5696166101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69465400 + ... + 69465481.

It is an arithmetic number, because the mean of its divisors is an integer number (1458774261).

Almost surely, 2^5696166121 is an apocalyptic number.

It is an amenable number.

5696166121 is a deficient number, since it is larger than the sum of its proper divisors (138930923).

5696166121 is a wasteful number, since it uses less digits than its factorization.

5696166121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138930922.

The product of its digits is 116640, while the sum is 43.

The square root of 5696166121 is about 75472.9495978526. The cubic root of 5696166121 is about 1785.9153996737.

The spelling of 5696166121 in words is "five billion, six hundred ninety-six million, one hundred sixty-six thousand, one hundred twenty-one".