164071929 has 16 divisors (see below), whose sum is σ = 250733952. Its totient is φ = 93485568.

The previous prime is 164071907. The next prime is 164071931. The reversal of 164071929 is 929170461.

It is not a de Polignac number, because 164071929 - 2¹³ = 164063737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164071939) 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, 3654 + ... + 18479.

It is an arithmetic number, because the mean of its divisors is an integer number (15670872).

Almost surely, 2^164071929 is an apocalyptic number.

It is an amenable number.

164071929 is a deficient number, since it is larger than the sum of its proper divisors (86662023).

164071929 is a wasteful number, since it uses less digits than its factorization.

164071929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22496.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 164071929 is about 12809.0565226327. The cubic root of 164071929 is about 547.4503797736.

It can be divided in two parts, 16407 and 1929, that added together give a triangular number (18336 = T₁₉₁).

The spelling of 164071929 in words is "one hundred sixty-four million, seventy-one thousand, nine hundred twenty-nine".