10166104551665 has 16 divisors (see below), whose sum is σ = 12228339992400. Its totient is φ = 8113543206912.

The previous prime is 10166104551641. The next prime is 10166104551727. The reversal of 10166104551665 is 56615540166101.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 61691134129 + 10104413417536 = 248377^2 + 3178744^2 .

It is a cyclic number.

It is not a de Polignac number, because 10166104551665 - 2¹⁶ = 10166104486129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32903621 + ... + 33211149.

It is an arithmetic number, because the mean of its divisors is an integer number (764271249525).

Almost surely, 2^{10166104551665} is an apocalyptic number.

It is an amenable number.

10166104551665 is a deficient number, since it is larger than the sum of its proper divisors (2062235440735).

10166104551665 is a wasteful number, since it uses less digits than its factorization.

10166104551665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323236.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 10166104551665 in words is "ten trillion, one hundred sixty-six billion, one hundred four million, five hundred fifty-one thousand, six hundred sixty-five".