1166716819430 has 16 divisors (see below), whose sum is σ = 2100105311184. Its totient is φ = 466683386400.

The previous prime is 1166716819351. The next prime is 1166716819441. The reversal of 1166716819430 is 349186176611.

It is a happy number.

It is a super-2 number, since 2×1166716819430² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443989 + ... + 2102031.

It is an arithmetic number, because the mean of its divisors is an integer number (131256581949).

Almost surely, 2^{1166716819430} is an apocalyptic number.

1166716819430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166716819430 is a deficient number, since it is larger than the sum of its proper divisors (933388491754).

1166716819430 is a wasteful number, since it uses less digits than its factorization.

1166716819430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835351.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 1166716819430 in words is "one trillion, one hundred sixty-six billion, seven hundred sixteen million, eight hundred nineteen thousand, four hundred thirty".