16660701566052 has 24 divisors (see below), whose sum is σ = 38875752540576. Its totient is φ = 5553455443008.

The previous prime is 16660701565951. The next prime is 16660701566059. The reversal of 16660701566052 is 25066510706661.

It is a junction number, because it is equal to n+sod(n) for n = 16660701565986 and 16660701566004.

It is not an unprimeable number, because it can be changed into a prime (16660701566059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13345873 + ... + 14540760.

It is an arithmetic number, because the mean of its divisors is an integer number (1619823022524).

Almost surely, 2^{16660701566052} is an apocalyptic number.

16660701566052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16660701566052 is an abundant number, since it is smaller than the sum of its proper divisors (22215050974524).

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

16660701566052 is a wasteful number, since it uses less digits than its factorization.

16660701566052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27936427 (or 27936425 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 16660701566052 in words is "sixteen trillion, six hundred sixty billion, seven hundred one million, five hundred sixty-six thousand, fifty-two".