165148406442 has 32 divisors (see below), whose sum is σ = 367589419200. Its totient is φ = 54960524784.

The previous prime is 165148406441. The next prime is 165148406459. The reversal of 165148406442 is 244604841561.

165148406442 is a `hidden beast` number, since 1 + 65 + 148 + 4 + 0 + 6 + 442 = 666.

165148406442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165148406441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2436933 + ... + 2503784.

It is an arithmetic number, because the mean of its divisors is an integer number (11487169350).

Almost surely, 2^165148406442 is an apocalyptic number.

165148406442 is an abundant number, since it is smaller than the sum of its proper divisors (202441012758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165148406442 is a wasteful number, since it uses less digits than its factorization.

165148406442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941347 (or 4941341 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 165148406442 in words is "one hundred sixty-five billion, one hundred forty-eight million, four hundred six thousand, four hundred forty-two".