164003938 has 16 divisors (see below), whose sum is σ = 293374080. Its totient is φ = 67231296.

The previous prime is 164003923. The next prime is 164003963. The reversal of 164003938 is 839300461.

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, 254343 + ... + 254986.

It is an arithmetic number, because the mean of its divisors is an integer number (18335880).

Almost surely, 2^164003938 is an apocalyptic number.

164003938 is a deficient number, since it is larger than the sum of its proper divisors (129370142).

164003938 is a wasteful number, since it uses less digits than its factorization.

164003938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509361.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 164003938 is about 12806.4022270113. The cubic root of 164003938 is about 547.3747486328.

The spelling of 164003938 in words is "one hundred sixty-four million, three thousand, nine hundred thirty-eight".