1660371441401 has 4 divisors (see below), whose sum is σ = 1665075043572. Its totient is φ = 1655667839232.

The previous prime is 1660371441371. The next prime is 1660371441431. The reversal of 1660371441401 is 1041441730661.

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 (1660371441371) and next prime (1660371441431).

It can be written as a sum of positive squares in 2 ways, for example, as 1037138560000 + 623232881401 = 1018400^2 + 789451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1660371441401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1660371441431) 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, 2351800556 + ... + 2351801261.

It is an arithmetic number, because the mean of its divisors is an integer number (416268760893).

Almost surely, 2^{1660371441401} is an apocalyptic number.

It is an amenable number.

1660371441401 is a deficient number, since it is larger than the sum of its proper divisors (4703602171).

1660371441401 is an equidigital number, since it uses as much as digits as its factorization.

1660371441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703602170.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 1660371441401 in words is "one trillion, six hundred sixty billion, three hundred seventy-one million, four hundred forty-one thousand, four hundred one".