4646664145 has 16 divisors (see below), whose sum is σ = 5912714880. Its totient is φ = 3493498624.

The previous prime is 4646664119. The next prime is 4646664173. The reversal of 4646664145 is 5414666464.

It is a cyclic number.

It is not a de Polignac number, because 4646664145 - 2⁷ = 4646664017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4646664095 and 4646664104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18036 + ... + 98074.

It is an arithmetic number, because the mean of its divisors is an integer number (369544680).

Almost surely, 2^4646664145 is an apocalyptic number.

It is an amenable number.

4646664145 is a deficient number, since it is larger than the sum of its proper divisors (1266050735).

4646664145 is a wasteful number, since it uses less digits than its factorization.

4646664145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80744.

The product of its digits is 1658880, while the sum is 46.

The square root of 4646664145 is about 68166.4444209906. Note that the first 4 decimals coincide. The cubic root of 4646664145 is about 1668.7083065139.

The spelling of 4646664145 in words is "four billion, six hundred forty-six million, six hundred sixty-four thousand, one hundred forty-five".