4624138666 has 16 divisors (see below), whose sum is σ = 7931246400. Its totient is φ = 1980735840.

The previous prime is 4624138621. The next prime is 4624138681. The reversal of 4624138666 is 6668314264.

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, 58491 + ... + 112558.

It is an arithmetic number, because the mean of its divisors is an integer number (495702900).

Almost surely, 2^4624138666 is an apocalyptic number.

4624138666 is a deficient number, since it is larger than the sum of its proper divisors (3307107734).

4624138666 is a wasteful number, since it uses less digits than its factorization.

4624138666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172989.

The product of its digits is 995328, while the sum is 46.

The square root of 4624138666 is about 68001.0195952972. The cubic root of 4624138666 is about 1666.0074903574.

The spelling of 4624138666 in words is "four billion, six hundred twenty-four million, one hundred thirty-eight thousand, six hundred sixty-six".