164071238 has 8 divisors (see below), whose sum is σ = 246909432. Its totient is φ = 81768096.

The previous prime is 164071211. The next prime is 164071247. The reversal of 164071238 is 832170461.

164071238 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×164071238² = 53838742277705288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132995 + ... + 134222.

It is an arithmetic number, because the mean of its divisors is an integer number (30863679).

Almost surely, 2^164071238 is an apocalyptic number.

164071238 is a deficient number, since it is larger than the sum of its proper divisors (82838194).

164071238 is a wasteful number, since it uses less digits than its factorization.

164071238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267526.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 164071238 is about 12809.0295495014. The cubic root of 164071238 is about 547.4496112311.

The spelling of 164071238 in words is "one hundred sixty-four million, seventy-one thousand, two hundred thirty-eight".