165200067066 has 32 divisors (see below), whose sum is σ = 330747696576. Its totient is φ = 55008800000.

The previous prime is 165200067059. The next prime is 165200067107. The reversal of 165200067066 is 660760002561.

It is a super-2 number, since 2×165200067066² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42896041 + ... + 42899891.

It is an arithmetic number, because the mean of its divisors is an integer number (10335865518).

Almost surely, 2^165200067066 is an apocalyptic number.

165200067066 is an abundant number, since it is smaller than the sum of its proper divisors (165547629510).

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

165200067066 is a wasteful number, since it uses less digits than its factorization.

165200067066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 165200067066 in words is "one hundred sixty-five billion, two hundred million, sixty-seven thousand, sixty-six".