16564645233154 has 16 divisors (see below), whose sum is σ = 25454928554496. Its totient is φ = 8079699796000.

The previous prime is 16564645233151. The next prime is 16564645233163. The reversal of 16564645233154 is 45133254646561.

It is a junction number, because it is equal to n+sod(n) for n = 16564645233095 and 16564645233104.

It is not an unprimeable number, because it can be changed into a prime (16564645233151) 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, 6601942 + ... + 8758705.

It is an arithmetic number, because the mean of its divisors is an integer number (1590933034656).

Almost surely, 2^{16564645233154} is an apocalyptic number.

16564645233154 is a deficient number, since it is larger than the sum of its proper divisors (8890283321342).

16564645233154 is a wasteful number, since it uses less digits than its factorization.

16564645233154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15373841.

The product of its digits is 31104000, while the sum is 55.

The spelling of 16564645233154 in words is "sixteen trillion, five hundred sixty-four billion, six hundred forty-five million, two hundred thirty-three thousand, one hundred fifty-four".