10166116605550 has 96 divisors (see below), whose sum is σ = 20599959955680. Its totient is φ = 3717444710400.

The previous prime is 10166116605529. The next prime is 10166116605569. The reversal of 10166116605550 is 5550661166101.

It is a junction number, because it is equal to n+sod(n) for n = 10166116605497 and 10166116605506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7268416 + ... + 8553484.

It is an arithmetic number, because the mean of its divisors is an integer number (214582916205).

Almost surely, 2^{10166116605550} is an apocalyptic number.

10166116605550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10166116605550 is an abundant number, since it is smaller than the sum of its proper divisors (10433843350130).

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

10166116605550 is a wasteful number, since it uses less digits than its factorization.

10166116605550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285366 (or 1285361 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 10166116605550 in words is "ten trillion, one hundred sixty-six billion, one hundred sixteen million, six hundred five thousand, five hundred fifty".