164745436 has 12 divisors (see below), whose sum is σ = 305263728. Its totient is φ = 77527232.

The previous prime is 164745311. The next prime is 164745437. The reversal of 164745436 is 634547461.

164745436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164745437) 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, 1211296 + ... + 1211431.

It is an arithmetic number, because the mean of its divisors is an integer number (25438644).

Almost surely, 2^164745436 is an apocalyptic number.

It is an amenable number.

164745436 is a deficient number, since it is larger than the sum of its proper divisors (140518292).

164745436 is a wasteful number, since it uses less digits than its factorization.

164745436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422748 (or 2422746 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 164745436 is about 12835.3198635640. The cubic root of 164745436 is about 548.1984425253.

The spelling of 164745436 in words is "one hundred sixty-four million, seven hundred forty-five thousand, four hundred thirty-six".