164671929 has 12 divisors (see below), whose sum is σ = 238910256. Its totient is φ = 109296312.

The previous prime is 164671921. The next prime is 164671937. The reversal of 164671929 is 929176461.

164671929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164671921) and next prime (164671937).

It is not a de Polignac number, because 164671929 - 2³ = 164671921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164671921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38259 + ... + 42344.

It is an arithmetic number, because the mean of its divisors is an integer number (19909188).

Almost surely, 2^164671929 is an apocalyptic number.

It is an amenable number.

164671929 is a deficient number, since it is larger than the sum of its proper divisors (74238327).

164671929 is a wasteful number, since it uses less digits than its factorization.

164671929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80836 (or 80833 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 164671929 is about 12832.4560782416. The cubic root of 164671929 is about 548.1168976915.

It can be divided in two parts, 164671 and 929, that added together give a triangular number (165600 = T₅₇₅).

The spelling of 164671929 in words is "one hundred sixty-four million, six hundred seventy-one thousand, nine hundred twenty-nine".