164360540 has 12 divisors (see below), whose sum is σ = 345157176. Its totient is φ = 65744208.

The previous prime is 164360519. The next prime is 164360593. The reversal of 164360540 is 45063461.

It is a happy number.

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, 4108994 + ... + 4109033.

It is an arithmetic number, because the mean of its divisors is an integer number (28763098).

Almost surely, 2^164360540 is an apocalyptic number.

164360540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164360540 is an abundant number, since it is smaller than the sum of its proper divisors (180796636).

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

164360540 is a wasteful number, since it uses less digits than its factorization.

164360540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218036 (or 8218034 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 164360540 is about 12820.3174687681. The cubic root of 164360540 is about 547.7711895742.

The spelling of 164360540 in words is "one hundred sixty-four million, three hundred sixty thousand, five hundred forty".