164041646 has 32 divisors (see below), whose sum is σ = 267091968. Its totient is φ = 75388320.

The previous prime is 164041643. The next prime is 164041651. The reversal of 164041646 is 646140461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164041643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97811 + ... + 99473.

It is an arithmetic number, because the mean of its divisors is an integer number (8346624).

Almost surely, 2^164041646 is an apocalyptic number.

164041646 is a deficient number, since it is larger than the sum of its proper divisors (103050322).

164041646 is a wasteful number, since it uses less digits than its factorization.

164041646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 164041646 is about 12807.8743747743. The cubic root of 164041646 is about 547.4166964575.

The spelling of 164041646 in words is "one hundred sixty-four million, forty-one thousand, six hundred forty-six".