164042804 has 24 divisors (see below), whose sum is σ = 295241856. Its totient is φ = 79704000.

The previous prime is 164042783. The next prime is 164042819. The reversal of 164042804 is 408240461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42599 + ... + 46289.

It is an arithmetic number, because the mean of its divisors is an integer number (12301744).

Almost surely, 2^164042804 is an apocalyptic number.

It is an amenable number.

164042804 is a deficient number, since it is larger than the sum of its proper divisors (131199052).

164042804 is a wasteful number, since it uses less digits than its factorization.

164042804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007 (or 4005 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 164042804 is about 12807.9195812591. The cubic root of 164042804 is about 547.4179845594.

It can be divided in two parts, 1640 and 42804, that added together give a palindrome (44444).

The spelling of 164042804 in words is "one hundred sixty-four million, forty-two thousand, eight hundred four".