5436668161 has 8 divisors (see below), whose sum is σ = 5537332800. Its totient is φ = 5336672880.

The previous prime is 5436668147. The next prime is 5436668179. The reversal of 5436668161 is 1618666345.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5436668161 is a prime.

It is a super-2 number, since 2×5436668161² = 59114721385662243842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5436668131) 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, 150931 + ... + 183448.

It is an arithmetic number, because the mean of its divisors is an integer number (692166600).

Almost surely, 2^5436668161 is an apocalyptic number.

It is an amenable number.

5436668161 is a deficient number, since it is larger than the sum of its proper divisors (100664639).

5436668161 is a wasteful number, since it uses less digits than its factorization.

5436668161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334679.

The product of its digits is 622080, while the sum is 46.

The square root of 5436668161 is about 73733.7654063591. The cubic root of 5436668161 is about 1758.3727384614.

The spelling of 5436668161 in words is "five billion, four hundred thirty-six million, six hundred sixty-eight thousand, one hundred sixty-one".