162340539747 has 4 divisors (see below), whose sum is σ = 216454053000. Its totient is φ = 108227026496.

The previous prime is 162340539743. The next prime is 162340539769. The reversal of 162340539747 is 747935043261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162340539747 - 2² = 162340539743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162340539747.

It is not an unprimeable number, because it can be changed into a prime (162340539743) 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, 27056756622 + ... + 27056756627.

It is an arithmetic number, because the mean of its divisors is an integer number (54113513250).

Almost surely, 2^162340539747 is an apocalyptic number.

162340539747 is a deficient number, since it is larger than the sum of its proper divisors (54113513253).

162340539747 is an equidigital number, since it uses as much as digits as its factorization.

162340539747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54113513252.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 162340539747 in words is "one hundred sixty-two billion, three hundred forty million, five hundred thirty-nine thousand, seven hundred forty-seven".