1166633002351 has 4 divisors (see below), whose sum is σ = 1206861726600. Its totient is φ = 1126404278104.

The previous prime is 1166633002333. The next prime is 1166633002369. The reversal of 1166633002351 is 1532003366611.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1166633002333) and next prime (1166633002369).

It is a cyclic number.

It is not a de Polignac number, because 1166633002351 - 2⁵ = 1166633002319 is a prime.

It is a super-2 number, since 2×1166633002351² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1166633002351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166633006351) 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, 20114362081 + ... + 20114362138.

It is an arithmetic number, because the mean of its divisors is an integer number (301715431650).

Almost surely, 2^{1166633002351} is an apocalyptic number.

1166633002351 is a deficient number, since it is larger than the sum of its proper divisors (40228724249).

1166633002351 is an equidigital number, since it uses as much as digits as its factorization.

1166633002351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40228724248.

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 1166633002351 its reverse (1532003366611), we get a palindrome (2698636368962).

The spelling of 1166633002351 in words is "one trillion, one hundred sixty-six billion, six hundred thirty-three million, two thousand, three hundred fifty-one".