1166361440633 has 4 divisors (see below), whose sum is σ = 1172222553600. Its totient is φ = 1160500327668.

The previous prime is 1166361440603. The next prime is 1166361440663. The reversal of 1166361440633 is 3360441636611.

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.

It is an interprime number because it is at equal distance from previous prime (1166361440603) and next prime (1166361440663).

It is a cyclic number.

It is not a de Polignac number, because 1166361440633 - 2³⁴ = 1149181571449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166361440603) 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, 2930556185 + ... + 2930556582.

It is an arithmetic number, because the mean of its divisors is an integer number (293055638400).

Almost surely, 2^{1166361440633} is an apocalyptic number.

It is an amenable number.

1166361440633 is a deficient number, since it is larger than the sum of its proper divisors (5861112967).

1166361440633 is an equidigital number, since it uses as much as digits as its factorization.

1166361440633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861112966.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 1166361440633 in words is "one trillion, one hundred sixty-six billion, three hundred sixty-one million, four hundred forty thousand, six hundred thirty-three".