165453012406 has 32 divisors (see below), whose sum is σ = 281867748768. Its totient is φ = 72170922240.

The previous prime is 165453012383. The next prime is 165453012493. The reversal of 165453012406 is 604210354561.

165453012406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1332765 + ... + 1451608.

It is an arithmetic number, because the mean of its divisors is an integer number (8808367149).

Almost surely, 2^165453012406 is an apocalyptic number.

165453012406 is a deficient number, since it is larger than the sum of its proper divisors (116414736362).

165453012406 is a wasteful number, since it uses less digits than its factorization.

165453012406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784496.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 165453012406 its reverse (604210354561), we get a palindrome (769663366967).

The spelling of 165453012406 in words is "one hundred sixty-five billion, four hundred fifty-three million, twelve thousand, four hundred six".