165762442011 has 32 divisors (see below), whose sum is σ = 235561098240. Its totient is φ = 103322386944.

The previous prime is 165762442009. The next prime is 165762442073. The reversal of 165762442011 is 110244267561.

It is not a de Polignac number, because 165762442011 - 2¹ = 165762442009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165762442211) 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 31 ways as a sum of consecutive naturals, for example, 30032110 + ... + 30037628.

It is an arithmetic number, because the mean of its divisors is an integer number (7361284320).

Almost surely, 2^165762442011 is an apocalyptic number.

165762442011 is a deficient number, since it is larger than the sum of its proper divisors (69798656229).

165762442011 is a wasteful number, since it uses less digits than its factorization.

165762442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9315.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 165762442011 in words is "one hundred sixty-five billion, seven hundred sixty-two million, four hundred forty-two thousand, eleven".