164055474 has 144 divisors (see below), whose sum is σ = 427579776. Its totient is φ = 45043200.

The previous prime is 164055467. The next prime is 164055487. The reversal of 164055474 is 474550461.

164055474 is a `hidden beast` number, since 1 + 640 + 5 + 5 + 4 + 7 + 4 = 666.

164055474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2689404 + ... + 2689464.

It is an arithmetic number, because the mean of its divisors is an integer number (2969304).

Almost surely, 2^164055474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164055474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213789888).

164055474 is an abundant number, since it is smaller than the sum of its proper divisors (263524302).

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

164055474 is a wasteful number, since it uses less digits than its factorization.

164055474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 164055474 is about 12808.4141875566. The cubic root of 164055474 is about 547.4320776439.

The spelling of 164055474 in words is "one hundred sixty-four million, fifty-five thousand, four hundred seventy-four".