16651056611652 has 24 divisors (see below), whose sum is σ = 38879315823936. Its totient is φ = 5546516432928.

The previous prime is 16651056611621. The next prime is 16651056611653. The reversal of 16651056611652 is 25611665015661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16651056611595 and 16651056611604.

It is not an unprimeable number, because it can be changed into a prime (16651056611653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479453283 + ... + 479488010.

It is an arithmetic number, because the mean of its divisors is an integer number (1619971492664).

Almost surely, 2^{16651056611652} is an apocalyptic number.

16651056611652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16651056611652 is an abundant number, since it is smaller than the sum of its proper divisors (22228259212284).

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

16651056611652 is a wasteful number, since it uses less digits than its factorization.

16651056611652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958942747 (or 958942745 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 16651056611652 in words is "sixteen trillion, six hundred fifty-one billion, fifty-six million, six hundred eleven thousand, six hundred fifty-two".