162636140324441 has 4 divisors (see below), whose sum is σ = 185869874656512. Its totient is φ = 139402405992372.

The previous prime is 162636140324431. The next prime is 162636140324467. The reversal of 162636140324441 is 144423041636261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162636140324441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162636140324431) 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, 11616867166025 + ... + 11616867166038.

It is an arithmetic number, because the mean of its divisors is an integer number (46467468664128).

Almost surely, 2^{162636140324441} is an apocalyptic number.

It is an amenable number.

162636140324441 is a deficient number, since it is larger than the sum of its proper divisors (23233734332071).

162636140324441 is an equidigital number, since it uses as much as digits as its factorization.

162636140324441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23233734332070.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 162636140324441 in words is "one hundred sixty-two trillion, six hundred thirty-six billion, one hundred forty million, three hundred twenty-four thousand, four hundred forty-one".