66600048408 has 16 divisors (see below), whose sum is σ = 166500121080. Its totient is φ = 22200016128.

The previous prime is 66600048401. The next prime is 66600048409. The reversal of 66600048408 is 80484000666.

It is a self number, because there is not a number n which added to its sum of digits gives 66600048408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66600048401) 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, 1387500985 + ... + 1387501032.

Almost surely, 2^66600048408 is an apocalyptic number.

It is an amenable number.

66600048408 is an abundant number, since it is smaller than the sum of its proper divisors (99900072672).

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

66600048408 is a wasteful number, since it uses less digits than its factorization.

66600048408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775002026 (or 2775002022 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 66600048408 in words is "sixty-six billion, six hundred million, forty-eight thousand, four hundred eight".