66605011104 has 48 divisors (see below), whose sum is σ = 182439819072. Its totient is φ = 21236379648.

The previous prime is 66605011097. The next prime is 66605011111. The reversal of 66605011104 is 40111050666.

66605011104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66605011097) and next prime (66605011111).

It is a tau number, because it is divible by the number of its divisors (48).

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, 15080449 + ... + 15084864.

It is an arithmetic number, because the mean of its divisors is an integer number (3800829564).

Almost surely, 2^66605011104 is an apocalyptic number.

It is an amenable number.

66605011104 is an abundant number, since it is smaller than the sum of its proper divisors (115834807968).

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

66605011104 is a wasteful number, since it uses less digits than its factorization.

66605011104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30165349 (or 30165341 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 66605011104 in words is "sixty-six billion, six hundred five million, eleven thousand, one hundred four".