16551969292 has 24 divisors (see below), whose sum is σ = 29253761936. Its totient is φ = 8194125888.

The previous prime is 16551969257. The next prime is 16551969347. The reversal of 16551969292 is 29296915561.

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, 131158 + ... + 224290.

Almost surely, 2^16551969292 is an apocalyptic number.

It is an amenable number.

16551969292 is a deficient number, since it is larger than the sum of its proper divisors (12701792644).

16551969292 is a wasteful number, since it uses less digits than its factorization.

16551969292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93577 (or 93575 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 55.

The spelling of 16551969292 in words is "sixteen billion, five hundred fifty-one million, nine hundred sixty-nine thousand, two hundred ninety-two".