164005446 has 16 divisors (see below), whose sum is σ = 357830208. Its totient is φ = 49698600.

The previous prime is 164005441. The next prime is 164005459. The reversal of 164005446 is 644500461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164005441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242400 + ... + 1242531.

It is an arithmetic number, because the mean of its divisors is an integer number (22364388).

Almost surely, 2^164005446 is an apocalyptic number.

164005446 is an abundant number, since it is smaller than the sum of its proper divisors (193824762).

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

164005446 is a wasteful number, since it uses less digits than its factorization.

164005446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484947.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 164005446 is about 12806.4611036773. The cubic root of 164005446 is about 547.3764263132.

It can be divided in two parts, 164005 and 446, that added together give a triangular number (164451 = T₅₇₃).

The spelling of 164005446 in words is "one hundred sixty-four million, five thousand, four hundred forty-six".