16564106545332 has 24 divisors (see below), whose sum is σ = 39548409427296. Its totient is φ = 5392964921568.

The previous prime is 16564106545331. The next prime is 16564106545351. The reversal of 16564106545332 is 23354560146561.

It is a happy number.

It is a super-2 number, since 2×16564106545332² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16564106545331) 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, 16050490323 + ... + 16050491354.

It is an arithmetic number, because the mean of its divisors is an integer number (1647850392804).

Almost surely, 2^{16564106545332} is an apocalyptic number.

16564106545332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16564106545332 is an abundant number, since it is smaller than the sum of its proper divisors (22984302881964).

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

16564106545332 is a wasteful number, since it uses less digits than its factorization.

16564106545332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32100981727 (or 32100981725 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 16564106545332 in words is "sixteen trillion, five hundred sixty-four billion, one hundred six million, five hundred forty-five thousand, three hundred thirty-two".