16066650516 has 48 divisors (see below), whose sum is σ = 43755995136. Its totient is φ = 4492800864.

The previous prime is 16066650461. The next prime is 16066650521. The reversal of 16066650516 is 61505666061.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030836 + ... + 2038731.

It is an arithmetic number, because the mean of its divisors is an integer number (911583232).

Almost surely, 2^16066650516 is an apocalyptic number.

It is an amenable number.

16066650516 is an abundant number, since it is smaller than the sum of its proper divisors (27689344620).

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

16066650516 is a wasteful number, since it uses less digits than its factorization.

16066650516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069628 (or 4069626 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 16066650516 in words is "sixteen billion, sixty-six million, six hundred fifty thousand, five hundred sixteen".