164080085454 has 16 divisors (see below), whose sum is σ = 364622412240. Its totient is φ = 54693361800.

The previous prime is 164080085441. The next prime is 164080085459. The reversal of 164080085454 is 454580080461.

It is a happy number.

164080085454 is a `hidden beast` number, since 1 + 6 + 40 + 80 + 0 + 85 + 454 = 666.

It is a super-2 number, since 2×164080085454² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164080085459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1519259997 + ... + 1519260104.

It is an arithmetic number, because the mean of its divisors is an integer number (22788900765).

Almost surely, 2^164080085454 is an apocalyptic number.

164080085454 is an abundant number, since it is smaller than the sum of its proper divisors (200542326786).

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

164080085454 is a wasteful number, since it uses less digits than its factorization.

164080085454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038520112 (or 3038520106 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 164080085454 in words is "one hundred sixty-four billion, eighty million, eighty-five thousand, four hundred fifty-four".