165064364490 has 16 divisors (see below), whose sum is σ = 396154474848. Its totient is φ = 44017163856.

The previous prime is 165064364459. The next prime is 165064364497. The reversal of 165064364490 is 94463460561.

165064364490 is digitally balanced in base 2, 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 (165064364497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2751072712 + ... + 2751072771.

It is an arithmetic number, because the mean of its divisors is an integer number (24759654678).

Almost surely, 2^165064364490 is an apocalyptic number.

165064364490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165064364490 is an abundant number, since it is smaller than the sum of its proper divisors (231090110358).

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

165064364490 is a wasteful number, since it uses less digits than its factorization.

165064364490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502145493.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 165064364490 in words is "one hundred sixty-five billion, sixty-four million, three hundred sixty-four thousand, four hundred ninety".