1566624104166 has 48 divisors (see below), whose sum is σ = 3446977572864. Its totient is φ = 474321870000.

The previous prime is 1566624104159. The next prime is 1566624104179. The reversal of 1566624104166 is 6614014266651.

It is a super-2 number, since 2×1566624104166² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101770 + ... + 1773021.

It is an arithmetic number, because the mean of its divisors is an integer number (71812032768).

Almost surely, 2^{1566624104166} is an apocalyptic number.

1566624104166 is an abundant number, since it is smaller than the sum of its proper divisors (1880353468698).

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

1566624104166 is a wasteful number, since it uses less digits than its factorization.

1566624104166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875969 (or 1875958 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 1566624104166 in words is "one trillion, five hundred sixty-six billion, six hundred twenty-four million, one hundred four thousand, one hundred sixty-six".