66483450 has 192 divisors, whose sum is σ = 206951040. Its totient is φ = 15681600.

The previous prime is 66483449. The next prime is 66483467. The reversal of 66483450 is 5438466.

66483450 is a `hidden beast` number, since 6 + 648 + 3 + 4 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1796832 + ... + 1796868.

It is an arithmetic number, because the mean of its divisors is an integer number (1077870).

Almost surely, 2^66483450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66483450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103475520).

66483450 is an abundant number, since it is smaller than the sum of its proper divisors (140467590).

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

66483450 is a wasteful number, since it uses less digits than its factorization.

66483450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 66483450 is about 8153.7384063999. The cubic root of 66483450 is about 405.1083386434.

The spelling of 66483450 in words is "sixty-six million, four hundred eighty-three thousand, four hundred fifty".