16623613566352 has 40 divisors (see below), whose sum is σ = 36511377983360. Its totient is φ = 7268624553600.

The previous prime is 16623613566341. The next prime is 16623613566379. The reversal of 16623613566352 is 25366531632661.

It is a junction number, because it is equal to n+sod(n) for n = 16623613566293 and 16623613566302.

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, 2103186024 + ... + 2103193927.

It is an arithmetic number, because the mean of its divisors is an integer number (912784449584).

Almost surely, 2^{16623613566352} is an apocalyptic number.

It is an amenable number.

16623613566352 is an abundant number, since it is smaller than the sum of its proper divisors (19887764417008).

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

16623613566352 is a wasteful number, since it uses less digits than its factorization.

16623613566352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206379991 (or 4206379985 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 55.

The spelling of 16623613566352 in words is "sixteen trillion, six hundred twenty-three billion, six hundred thirteen million, five hundred sixty-six thousand, three hundred fifty-two".