66094560 has 288 divisors, whose sum is σ = 264176640. Its totient is φ = 14736384.

The previous prime is 66094547. The next prime is 66094577. The reversal of 66094560 is 6549066.

It is a happy number.

66094560 is a `hidden beast` number, since 6 + 6 + 0 + 94 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 796279 + ... + 796361.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^66094560 is an apocalyptic number.

66094560 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 66094560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132088320).

66094560 is an abundant number, since it is smaller than the sum of its proper divisors (198082080).

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

66094560 is a wasteful number, since it uses less digits than its factorization.

66094560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 66094560 is about 8129.8560872872. The cubic root of 66094560 is about 404.3169097899.

The spelling of 66094560 in words is "sixty-six million, ninety-four thousand, five hundred sixty".