66441152 has 14 divisors (see below), whose sum is σ = 131844288. Its totient is φ = 33220544.

The previous prime is 66441143. The next prime is 66441173. The reversal of 66441152 is 25114466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519008 + ... + 519135.

Almost surely, 2^66441152 is an apocalyptic number.

It is an amenable number.

66441152 is a deficient number, since it is larger than the sum of its proper divisors (65403136).

66441152 is a wasteful number, since it uses less digits than its factorization.

66441152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038155 (or 1038145 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 66441152 is about 8151.1442141579. The cubic root of 66441152 is about 405.0224079458.

The spelling of 66441152 in words is "sixty-six million, four hundred forty-one thousand, one hundred fifty-two".