164612740 has 12 divisors (see below), whose sum is σ = 345686796. Its totient is φ = 65845088.

The previous prime is 164612731. The next prime is 164612743. The reversal of 164612740 is 47216461.

164612740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17572864 + 147039876 = 4192^2 + 12126^2 .

It is not an unprimeable number, because it can be changed into a prime (164612743) 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, 4115299 + ... + 4115338.

It is an arithmetic number, because the mean of its divisors is an integer number (28807233).

Almost surely, 2^164612740 is an apocalyptic number.

164612740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164612740 is an abundant number, since it is smaller than the sum of its proper divisors (181074056).

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

164612740 is a wasteful number, since it uses less digits than its factorization.

164612740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230646 (or 8230644 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 164612740 is about 12830.1496483868. The cubic root of 164612740 is about 548.0512188616.

The spelling of 164612740 in words is "one hundred sixty-four million, six hundred twelve thousand, seven hundred forty".