66624060 has 24 divisors (see below), whose sum is σ = 186547536. Its totient is φ = 17766400.

The previous prime is 66624043. The next prime is 66624113. The reversal of 66624060 is 6042666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555141 + ... + 555260.

It is an arithmetic number, because the mean of its divisors is an integer number (7772814).

Almost surely, 2^66624060 is an apocalyptic number.

66624060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66624060 is an abundant number, since it is smaller than the sum of its proper divisors (119923476).

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

66624060 is a wasteful number, since it uses less digits than its factorization.

66624060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110413 (or 1110411 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 66624060 is about 8162.3562774483. The cubic root of 66624060 is about 405.3937338454.

The spelling of 66624060 in words is "sixty-six million, six hundred twenty-four thousand, sixty".