6604552554066 has 32 divisors (see below), whose sum is σ = 14723674173120. Its totient is φ = 2194483910112.

The previous prime is 6604552554029. The next prime is 6604552554073.

It is a happy number.

6604552554066 is a `hidden beast` number, since 6 + 6 + 0 + 4 + 5 + 525 + 54 + 0 + 66 = 666.

6604552554066 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6604552554066² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195360940 + ... + 195394743.

It is an arithmetic number, because the mean of its divisors is an integer number (460114817910).

Almost surely, 2^{6604552554066} is an apocalyptic number.

6604552554066 is an abundant number, since it is smaller than the sum of its proper divisors (8119121619054).

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

6604552554066 is a wasteful number, since it uses less digits than its factorization.

6604552554066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390756007 (or 390756001 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 54.

The spelling of 6604552554066 in words is "six trillion, six hundred four billion, five hundred fifty-two million, five hundred fifty-four thousand, sixty-six".