16616201612 has 6 divisors (see below), whose sum is σ = 29078352828. Its totient is φ = 8308100804.

The previous prime is 16616201579. The next prime is 16616201629. The reversal of 16616201612 is 21610261661.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077025198 + ... + 2077025205.

It is an arithmetic number, because the mean of its divisors is an integer number (4846392138).

Almost surely, 2^16616201612 is an apocalyptic number.

It is an amenable number.

16616201612 is a deficient number, since it is larger than the sum of its proper divisors (12462151216).

16616201612 is a wasteful number, since it uses less digits than its factorization.

16616201612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154050407 (or 4154050405 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 16616201612 in words is "sixteen billion, six hundred sixteen million, two hundred one thousand, six hundred twelve".