16066650506 has 16 divisors (see below), whose sum is σ = 25153282944. Its totient is φ = 7682375184.

The previous prime is 16066650461. The next prime is 16066650521. The reversal of 16066650506 is 60505666061.

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, 189920 + ... + 261156.

It is an arithmetic number, because the mean of its divisors is an integer number (1572080184).

Almost surely, 2^16066650506 is an apocalyptic number.

16066650506 is a deficient number, since it is larger than the sum of its proper divisors (9086632438).

16066650506 is a wasteful number, since it uses less digits than its factorization.

16066650506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76165.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 16066650506 in words is "sixteen billion, sixty-six million, six hundred fifty thousand, five hundred six".