1166614202401 has 4 divisors (see below), whose sum is σ = 1168555324804. Its totient is φ = 1164673080000.

The previous prime is 1166614202371. The next prime is 1166614202431. The reversal of 1166614202401 is 1042024166611.

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 (1166614202371) and next prime (1166614202431).

It can be written as a sum of positive squares in 2 ways, for example, as 851892080400 + 314722122001 = 922980^2 + 561001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166614202401 - 2²¹ = 1166612105249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166614202431) 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, 970560300 + ... + 970561501.

It is an arithmetic number, because the mean of its divisors is an integer number (292138831201).

Almost surely, 2^{1166614202401} is an apocalyptic number.

It is an amenable number.

1166614202401 is a deficient number, since it is larger than the sum of its proper divisors (1941122403).

1166614202401 is an equidigital number, since it uses as much as digits as its factorization.

1166614202401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941122402.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 1166614202401 in words is "one trillion, one hundred sixty-six billion, six hundred fourteen million, two hundred two thousand, four hundred one".