164472216 has 32 divisors (see below), whose sum is σ = 413712960. Its totient is φ = 54486432.

The previous prime is 164472211. The next prime is 164472221. The reversal of 164472216 is 612274461.

164472216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164472211) and next prime (164472221).

It is a super-2 number, since 2×164472216² = 54102219671901312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164472211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17110 + ... + 24933.

It is an arithmetic number, because the mean of its divisors is an integer number (12928530).

Almost surely, 2^164472216 is an apocalyptic number.

It is an amenable number.

164472216 is an abundant number, since it is smaller than the sum of its proper divisors (249240744).

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

164472216 is a wasteful number, since it uses less digits than its factorization.

164472216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42215 (or 42211 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 164472216 is about 12824.6721595525. The cubic root of 164472216 is about 547.8952238990.

The spelling of 164472216 in words is "one hundred sixty-four million, four hundred seventy-two thousand, two hundred sixteen".