164112712 has 8 divisors (see below), whose sum is σ = 307711350. Its totient is φ = 82056352.

The previous prime is 164112691. The next prime is 164112727. The reversal of 164112712 is 217211461.

It can be written as a sum of positive squares in only one way, i.e., 139570596 + 24542116 = 11814^2 + 4954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10257037 + ... + 10257052.

Almost surely, 2^164112712 is an apocalyptic number.

It is an amenable number.

164112712 is a deficient number, since it is larger than the sum of its proper divisors (143598638).

164112712 is a wasteful number, since it uses less digits than its factorization.

164112712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20514095 (or 20514091 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 164112712 is about 12810.6483832787. The cubic root of 164112712 is about 547.4957355297.

The spelling of 164112712 in words is "one hundred sixty-four million, one hundred twelve thousand, seven hundred twelve".