1022166656 has 48 divisors (see below), whose sum is σ = 2368827090. Its totient is φ = 438068736.

The previous prime is 1022166653. The next prime is 1022166703. The reversal of 1022166656 is 6566612201.

It can be written as a sum of positive squares in only one way, i.e., 604373056 + 417793600 = 24584^2 + 20440^2 .

It is not an unprimeable number, because it can be changed into a prime (1022166653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75215 + ... + 87758.

Almost surely, 2^1022166656 is an apocalyptic number.

1022166656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1022166656 is an abundant number, since it is smaller than the sum of its proper divisors (1346660434).

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

1022166656 is an equidigital number, since it uses as much as digits as its factorization.

1022166656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163001 (or 162982 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1022166656 is about 31971.3411667387. The cubic root of 1022166656 is about 1007.3349522647.

Adding to 1022166656 its reverse (6566612201), we get a palindrome (7588778857).

The spelling of 1022166656 in words is "one billion, twenty-two million, one hundred sixty-six thousand, six hundred fifty-six".