165265736467 has 4 divisors (see below), whose sum is σ = 177978485440. Its totient is φ = 152552987496.

The previous prime is 165265736437. The next prime is 165265736477. The reversal of 165265736467 is 764637562561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764637562561 = 35983 ⋅21249967.

It is not a de Polignac number, because 165265736467 - 2¹⁵ = 165265703699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165265736437) 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, 6356374467 + ... + 6356374492.

It is an arithmetic number, because the mean of its divisors is an integer number (44494621360).

Almost surely, 2^165265736467 is an apocalyptic number.

165265736467 is a deficient number, since it is larger than the sum of its proper divisors (12712748973).

165265736467 is a wasteful number, since it uses less digits than its factorization.

165265736467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12712748972.

The product of its digits is 38102400, while the sum is 58.

The spelling of 165265736467 in words is "one hundred sixty-five billion, two hundred sixty-five million, seven hundred thirty-six thousand, four hundred sixty-seven".