164023146 has 96 divisors (see below), whose sum is σ = 421694208. Its totient is φ = 45100800.

The previous prime is 164023129. The next prime is 164023147. The reversal of 164023146 is 641320461.

164023146 is a `hidden beast` number, since 1 + 640 + 2 + 3 + 14 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (164023147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 703846 + ... + 704078.

It is an arithmetic number, because the mean of its divisors is an integer number (4392648).

Almost surely, 2^164023146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164023146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210847104).

164023146 is an abundant number, since it is smaller than the sum of its proper divisors (257671062).

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

164023146 is a wasteful number, since it uses less digits than its factorization.

164023146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 164023146 is about 12807.1521424554. The cubic root of 164023146 is about 547.3961171517.

The spelling of 164023146 in words is "one hundred sixty-four million, twenty-three thousand, one hundred forty-six".