2066411547 has 16 divisors (see below), whose sum is σ = 3160104960. Its totient is φ = 1333168200.

The previous prime is 2066411537. The next prime is 2066411579. The reversal of 2066411547 is 7451146602.

2066411547 is a `hidden beast` number, since 2 + 0 + 6 + 641 + 1 + 5 + 4 + 7 = 666.

It is not a de Polignac number, because 2066411547 - 2¹² = 2066407451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2066411537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233579 + ... + 1235252.

It is an arithmetic number, because the mean of its divisors is an integer number (197506560).

Almost surely, 2^2066411547 is an apocalyptic number.

2066411547 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2066411547 is a deficient number, since it is larger than the sum of its proper divisors (1093693413).

2066411547 is a wasteful number, since it uses less digits than its factorization.

2066411547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468871 (or 2468865 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2066411547 is about 45457.7996277866. The cubic root of 2066411547 is about 1273.7150292911.

The spelling of 2066411547 in words is "two billion, sixty-six million, four hundred eleven thousand, five hundred forty-seven".