164501156 has 6 divisors (see below), whose sum is σ = 287877030. Its totient is φ = 82250576.

The previous prime is 164501153. The next prime is 164501171. The reversal of 164501156 is 651105461.

It can be written as a sum of positive squares in only one way, i.e., 143616256 + 20884900 = 11984^2 + 4570^2 .

It is not an unprimeable number, because it can be changed into a prime (164501153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20562641 + ... + 20562648.

It is an arithmetic number, because the mean of its divisors is an integer number (47979505).

Almost surely, 2^164501156 is an apocalyptic number.

It is an amenable number.

164501156 is a deficient number, since it is larger than the sum of its proper divisors (123375874).

164501156 is a wasteful number, since it uses less digits than its factorization.

164501156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41125293 (or 41125291 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 164501156 is about 12825.8004038734. The cubic root of 164501156 is about 547.9273573058.

The spelling of 164501156 in words is "one hundred sixty-four million, five hundred one thousand, one hundred fifty-six".