164137652 has 36 divisors (see below), whose sum is σ = 353799684. Its totient is φ = 66205440.

The previous prime is 164137643. The next prime is 164137657. The reversal of 164137652 is 256731461.

It can be written as a sum of positive squares in 2 ways, for example, as 89038096 + 75099556 = 9436^2 + 8666^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164137657) 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, 21299 + ... + 27962.

It is an arithmetic number, because the mean of its divisors is an integer number (9827769).

Almost surely, 2^164137652 is an apocalyptic number.

It is an amenable number.

164137652 is an abundant number, since it is smaller than the sum of its proper divisors (189662032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164137652 is a wasteful number, since it uses less digits than its factorization.

164137652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49296 (or 49287 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 164137652 is about 12811.6217552658. The cubic root of 164137652 is about 547.5234682017.

It can be divided in two parts, 1641 and 37652, that added together give a palindrome (39293).

The spelling of 164137652 in words is "one hundred sixty-four million, one hundred thirty-seven thousand, six hundred fifty-two".