164417212 has 6 divisors (see below), whose sum is σ = 287730128. Its totient is φ = 82208604.

The previous prime is 164417177. The next prime is 164417213. The reversal of 164417212 is 212714461.

It is a super-3 number, since 3×164417212³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164417213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20552148 + ... + 20552155.

Almost surely, 2^164417212 is an apocalyptic number.

It is an amenable number.

164417212 is a deficient number, since it is larger than the sum of its proper divisors (123312916).

164417212 is a wasteful number, since it uses less digits than its factorization.

164417212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41104307 (or 41104305 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 164417212 is about 12822.5275199549. The cubic root of 164417212 is about 547.8341400480.

It can be divided in two parts, 16441 and 7212, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 164417212 in words is "one hundred sixty-four million, four hundred seventeen thousand, two hundred twelve".