10166094123661 has 4 divisors (see below), whose sum is σ = 11618393284192. Its totient is φ = 8713794963132.

The previous prime is 10166094123641. The next prime is 10166094123727. The reversal of 10166094123661 is 16632149066101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10166094123661 - 2²¹ = 10166092026509 is a prime.

It is a super-2 number, since 2×10166094123661² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10166094123641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726149580255 + ... + 726149580268.

It is an arithmetic number, because the mean of its divisors is an integer number (2904598321048).

Almost surely, 2^{10166094123661} is an apocalyptic number.

It is an amenable number.

10166094123661 is a deficient number, since it is larger than the sum of its proper divisors (1452299160531).

10166094123661 is an equidigital number, since it uses as much as digits as its factorization.

10166094123661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452299160530.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 10166094123661 in words is "ten trillion, one hundred sixty-six billion, ninety-four million, one hundred twenty-three thousand, six hundred sixty-one".