165462743761 has 6 divisors (see below), whose sum is σ = 192477069330. Its totient is φ = 141825208896.

The previous prime is 165462743749. The next prime is 165462743777. The reversal of 165462743761 is 167347264561.

It can be written as a sum of positive squares in only one way, i.e., 131783520400 + 33679223361 = 363020^2 + 183519^2 .

It is not a de Polignac number, because 165462743761 - 2⁵ = 165462743729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165462743699 and 165462743708.

It is not an unprimeable number, because it can be changed into a prime (165462743701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1688395296 + ... + 1688395393.

It is an arithmetic number, because the mean of its divisors is an integer number (32079511555).

Almost surely, 2^165462743761 is an apocalyptic number.

It is an amenable number.

165462743761 is a deficient number, since it is larger than the sum of its proper divisors (27014325569).

165462743761 is an equidigital number, since it uses as much as digits as its factorization.

165462743761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376790703 (or 3376790696 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The spelling of 165462743761 in words is "one hundred sixty-five billion, four hundred sixty-two million, seven hundred forty-three thousand, seven hundred sixty-one".