10166663077 has 4 divisors (see below), whose sum is σ = 10167217900. Its totient is φ = 10166108256.

The previous prime is 10166663053. The next prime is 10166663083. The reversal of 10166663077 is 77036666101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8050755076 + 2115908001 = 89726^2 + 45999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10166663077 is a prime.

It is a super-2 number, since 2×10166663077² (a number of 21 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 (10166663047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 248952 + ... + 286897.

It is an arithmetic number, because the mean of its divisors is an integer number (2541804475).

Almost surely, 2^10166663077 is an apocalyptic number.

It is an amenable number.

10166663077 is a deficient number, since it is larger than the sum of its proper divisors (554823).

10166663077 is an equidigital number, since it uses as much as digits as its factorization.

10166663077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554822.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 10166663077 in words is "ten billion, one hundred sixty-six million, six hundred sixty-three thousand, seventy-seven".