164712732 has 12 divisors (see below), whose sum is σ = 384329736. Its totient is φ = 54904240.

The previous prime is 164712731. The next prime is 164712739. The reversal of 164712732 is 237217461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 164712693 and 164712702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164712731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6863019 + ... + 6863042.

It is an arithmetic number, because the mean of its divisors is an integer number (32027478).

Almost surely, 2^164712732 is an apocalyptic number.

164712732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164712732 is an abundant number, since it is smaller than the sum of its proper divisors (219617004).

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

164712732 is a wasteful number, since it uses less digits than its factorization.

164712732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726068 (or 13726066 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 164712732 is about 12834.0458157200. The cubic root of 164712732 is about 548.1621654084.

The spelling of 164712732 in words is "one hundred sixty-four million, seven hundred twelve thousand, seven hundred thirty-two".