1166640302050 has 48 divisors (see below), whose sum is σ = 2204384803200. Its totient is φ = 459274121600.

The previous prime is 1166640302029. The next prime is 1166640302077. The reversal of 1166640302050 is 502030466611.

It is a super-2 number, since 2×1166640302050² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1166640301997 and 1166640302015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1731171 + ... + 2308729.

It is an arithmetic number, because the mean of its divisors is an integer number (45924683400).

Almost surely, 2^{1166640302050} is an apocalyptic number.

1166640302050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166640302050 is a deficient number, since it is larger than the sum of its proper divisors (1037744501150).

1166640302050 is a wasteful number, since it uses less digits than its factorization.

1166640302050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578211 (or 578206 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 1166640302050 its reverse (502030466611), we get a palindrome (1668670768661).

The spelling of 1166640302050 in words is "one trillion, one hundred sixty-six billion, six hundred forty million, three hundred two thousand, fifty".