164821094 has 16 divisors (see below), whose sum is σ = 256705200. Its totient is φ = 79273824.

The previous prime is 164821093. The next prime is 164821157. The reversal of 164821094 is 490128461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164821093) 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, 10937 + ... + 21195.

It is an arithmetic number, because the mean of its divisors is an integer number (16044075).

Almost surely, 2^164821094 is an apocalyptic number.

164821094 is a deficient number, since it is larger than the sum of its proper divisors (91884106).

164821094 is a wasteful number, since it uses less digits than its factorization.

164821094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10567.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 164821094 is about 12838.2667833318. The cubic root of 164821094 is about 548.2823482393.

It can be divided in two parts, 16482 and 1094, that added together give a cube (17576 = 26³).

The spelling of 164821094 in words is "one hundred sixty-four million, eight hundred twenty-one thousand, ninety-four".