16207727972 has 24 divisors (see below), whose sum is σ = 28977561984. Its totient is φ = 7928550432.

The previous prime is 16207727953. The next prime is 16207727981. The reversal of 16207727972 is 27972770261.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16207727972.

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, 556763 + ... + 585149.

It is an arithmetic number, because the mean of its divisors is an integer number (1207398416).

Almost surely, 2^16207727972 is an apocalyptic number.

It is an amenable number.

16207727972 is a deficient number, since it is larger than the sum of its proper divisors (12769834012).

16207727972 is a wasteful number, since it uses less digits than its factorization.

16207727972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31475 (or 31473 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 50.

The spelling of 16207727972 in words is "sixteen billion, two hundred seven million, seven hundred twenty-seven thousand, nine hundred seventy-two".