1660264226 has 4 divisors (see below), whose sum is σ = 2490396342. Its totient is φ = 830132112.

The previous prime is 1660264211. The next prime is 1660264247. The reversal of 1660264226 is 6224620661.

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

It can be written as a sum of positive squares in only one way, i.e., 1537032025 + 123232201 = 39205^2 + 11101^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415066055 + ... + 415066058.

Almost surely, 2^1660264226 is an apocalyptic number.

1660264226 is a deficient number, since it is larger than the sum of its proper divisors (830132116).

1660264226 is an equidigital number, since it uses as much as digits as its factorization.

1660264226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830132115.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1660264226 is about 40746.3400319587. The cubic root of 1660264226 is about 1184.1109667614.

Adding to 1660264226 its reverse (6224620661), we get a palindrome (7884884887).

The spelling of 1660264226 in words is "one billion, six hundred sixty million, two hundred sixty-four thousand, two hundred twenty-six".