10550601666 has 24 divisors (see below), whose sum is σ = 24937786224. Its totient is φ = 3197151960.

The previous prime is 10550601661. The next prime is 10550601671. The reversal of 10550601666 is 66610605501.

It is an interprime number because it is at equal distance from previous prime (10550601661) and next prime (10550601671).

It is a super-2 number, since 2×10550601666² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10550601666.

It is not an unprimeable number, because it can be changed into a prime (10550601661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26642736 + ... + 26643131.

It is an arithmetic number, because the mean of its divisors is an integer number (1039074426).

Almost surely, 2^10550601666 is an apocalyptic number.

10550601666 is an abundant number, since it is smaller than the sum of its proper divisors (14387184558).

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

10550601666 is a wasteful number, since it uses less digits than its factorization.

10550601666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53285886 (or 53285883 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

It can be divided in two parts, 10550 and 601666, that added together give a palindrome (612216).

The spelling of 10550601666 in words is "ten billion, five hundred fifty million, six hundred one thousand, six hundred sixty-six".