1300166443 has 16 divisors (see below), whose sum is σ = 1422938880. Its totient is φ = 1182643200.

The previous prime is 1300166411. The next prime is 1300166467. The reversal of 1300166443 is 3446610031.

It is a cyclic number.

It is not a de Polignac number, because 1300166443 - 2⁵ = 1300166411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300166843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621343 + ... + 623431.

It is an arithmetic number, because the mean of its divisors is an integer number (88933680).

Almost surely, 2^1300166443 is an apocalyptic number.

1300166443 is a deficient number, since it is larger than the sum of its proper divisors (122772437).

1300166443 is a wasteful number, since it uses less digits than its factorization.

1300166443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1300166443 is about 36057.8208298838. The cubic root of 1300166443 is about 1091.4394592031.

Adding to 1300166443 its reverse (3446610031), we get a palindrome (4746776474).

The spelling of 1300166443 in words is "one billion, three hundred million, one hundred sixty-six thousand, four hundred forty-three".