166560515005616 has 40 divisors (see below), whose sum is σ = 323055164031600. Its totient is φ = 83191463297280.

The previous prime is 166560515005601. The next prime is 166560515005673. The reversal of 166560515005616 is 616500515065661.

It is an unprimeable number.

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, 116401190 + ... + 117823418.

It is an arithmetic number, because the mean of its divisors is an integer number (8076379100790).

Almost surely, 2^{166560515005616} is an apocalyptic number.

166560515005616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166560515005616 is a deficient number, since it is larger than the sum of its proper divisors (156494649025984).

166560515005616 is a wasteful number, since it uses less digits than its factorization.

166560515005616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430037 (or 1430031 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 166560515005616 in words is "one hundred sixty-six trillion, five hundred sixty billion, five hundred fifteen million, five thousand, six hundred sixteen".