66060504 has 96 divisors (see below), whose sum is σ = 195661440. Its totient is φ = 20044800.

The previous prime is 66060479. The next prime is 66060509. The reversal of 66060504 is 40506066.

66060504 is a `hidden beast` number, since 6 + 606 + 0 + 50 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66060509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37074 + ... + 38814.

It is an arithmetic number, because the mean of its divisors is an integer number (2038140).

Almost surely, 2^66060504 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 66060504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97830720).

66060504 is an abundant number, since it is smaller than the sum of its proper divisors (129600936).

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

66060504 is a wasteful number, since it uses less digits than its factorization.

66060504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 66060504 is about 8127.7613153931. The cubic root of 66060504 is about 404.2474548438.

It can be divided in two parts, 66060 and 504, that added together give a square (66564 = 258²).

The spelling of 66060504 in words is "sixty-six million, sixty thousand, five hundred four".