66600048 has 20 divisors (see below), whose sum is σ = 172050248. Its totient is φ = 22200000.

The previous prime is 66600029. The next prime is 66600049. The reversal of 66600048 is 84000666.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 66599988 and 66600024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66600049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693703 + ... + 693798.

Almost surely, 2^66600048 is an apocalyptic number.

It is an amenable number.

66600048 is an abundant number, since it is smaller than the sum of its proper divisors (105450200).

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

66600048 is a wasteful number, since it uses less digits than its factorization.

66600048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387512 (or 1387506 counting only the distinct ones).

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

The square root of 66600048 is about 8160.8852460992. The cubic root of 66600048 is about 405.3450252956.

The spelling of 66600048 in words is "sixty-six million, six hundred thousand, forty-eight".