1166722333895 has 4 divisors (see below), whose sum is σ = 1400066800680. Its totient is φ = 933377867112.

The previous prime is 1166722333879. The next prime is 1166722333921. The reversal of 1166722333895 is 5983332276611.

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

It is a cyclic number.

It is not a de Polignac number, because 1166722333895 - 2⁴ = 1166722333879 is a prime.

It is a super-2 number, since 2×1166722333895² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1166722333895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116672233385 + ... + 116672233394.

It is an arithmetic number, because the mean of its divisors is an integer number (350016700170).

Almost surely, 2^{1166722333895} is an apocalyptic number.

1166722333895 is a deficient number, since it is larger than the sum of its proper divisors (233344466785).

1166722333895 is an equidigital number, since it uses as much as digits as its factorization.

1166722333895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233344466784.

The product of its digits is 9797760, while the sum is 56.

The spelling of 1166722333895 in words is "one trillion, one hundred sixty-six billion, seven hundred twenty-two million, three hundred thirty-three thousand, eight hundred ninety-five".