66467244 has 48 divisors (see below), whose sum is σ = 167686400. Its totient is φ = 20419776.

The previous prime is 66467237. The next prime is 66467251. The reversal of 66467244 is 44276466.

It is an interprime number because it is at equal distance from previous prime (66467237) and next prime (66467251).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4497 + ... + 12375.

Almost surely, 2^66467244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66467244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83843200).

66467244 is an abundant number, since it is smaller than the sum of its proper divisors (101219156).

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

66467244 is a wasteful number, since it uses less digits than its factorization.

66467244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7942 (or 7940 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 66467244 is about 8152.7445685487. The cubic root of 66467244 is about 405.0754195773.

The spelling of 66467244 in words is "sixty-six million, four hundred sixty-seven thousand, two hundred forty-four".