164227013 has 4 divisors (see below), whose sum is σ = 172870560. Its totient is φ = 155583468.

The previous prime is 164227001. The next prime is 164227033. The reversal of 164227013 is 310722461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310722461 = 7 ⋅44388923.

It is a cyclic number.

It is not a de Polignac number, because 164227013 - 2⁶ = 164226949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164227033) 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, 4321745 + ... + 4321782.

It is an arithmetic number, because the mean of its divisors is an integer number (43217640).

Almost surely, 2^164227013 is an apocalyptic number.

It is an amenable number.

164227013 is a deficient number, since it is larger than the sum of its proper divisors (8643547).

164227013 is an equidigital number, since it uses as much as digits as its factorization.

164227013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643546.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 164227013 is about 12815.1087783132. The cubic root of 164227013 is about 547.6228123956.

Adding to 164227013 its reverse (310722461), we get a palindrome (474949474).

The spelling of 164227013 in words is "one hundred sixty-four million, two hundred twenty-seven thousand, thirteen".