66048600 has 192 divisors, whose sum is σ = 218557440. Its totient is φ = 16473600.

The previous prime is 66048551. The next prime is 66048607. The reversal of 66048600 is 684066.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66048607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 985767 + ... + 985833.

It is an arithmetic number, because the mean of its divisors is an integer number (1138320).

Almost surely, 2^66048600 is an apocalyptic number.

66048600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66048600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109278720).

66048600 is an abundant number, since it is smaller than the sum of its proper divisors (152508840).

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

66048600 is a wasteful number, since it uses less digits than its factorization.

66048600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 66048600 is about 8127.0289774308. The cubic root of 66048600 is about 404.2231717978.

The spelling of 66048600 in words is "sixty-six million, forty-eight thousand, six hundred".