16652563406 has 8 divisors (see below), whose sum is σ = 25259506560. Its totient is φ = 8232727888.

The previous prime is 16652563393. The next prime is 16652563409. The reversal of 16652563406 is 60436525661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16652563409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46776686 + ... + 46777041.

It is an arithmetic number, because the mean of its divisors is an integer number (3157438320).

Almost surely, 2^16652563406 is an apocalyptic number.

16652563406 is a deficient number, since it is larger than the sum of its proper divisors (8606943154).

16652563406 is an equidigital number, since it uses as much as digits as its factorization.

16652563406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93553818.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 16652563406 in words is "sixteen billion, six hundred fifty-two million, five hundred sixty-three thousand, four hundred six".