1366233061 has 4 divisors (see below), whose sum is σ = 1366325632. Its totient is φ = 1366140492.

The previous prime is 1366233059. The next prime is 1366233091. The reversal of 1366233061 is 1603326631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1366233061 - 2¹ = 1366233059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366233091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18645 + ... + 55498.

It is an arithmetic number, because the mean of its divisors is an integer number (341581408).

Almost surely, 2^1366233061 is an apocalyptic number.

It is an amenable number.

1366233061 is a deficient number, since it is larger than the sum of its proper divisors (92571).

1366233061 is an equidigital number, since it uses as much as digits as its factorization.

1366233061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92570.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1366233061 is about 36962.5900201812. The cubic root of 1366233061 is about 1109.6216715156.

Adding to 1366233061 its reverse (1603326631), we get a palindrome (2969559692).

The spelling of 1366233061 in words is "one billion, three hundred sixty-six million, two hundred thirty-three thousand, sixty-one".