2041661401 has 8 divisors (see below), whose sum is σ = 2294308800. Its totient is φ = 1802670672.

The previous prime is 2041661383. The next prime is 2041661411. The reversal of 2041661401 is 1041661402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2041661401 - 2⁷ = 2041661273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2041661411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3413851 + ... + 3414448.

It is an arithmetic number, because the mean of its divisors is an integer number (286788600).

Almost surely, 2^2041661401 is an apocalyptic number.

It is an amenable number.

2041661401 is a deficient number, since it is larger than the sum of its proper divisors (252647399).

2041661401 is a wasteful number, since it uses less digits than its factorization.

2041661401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828335.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2041661401 is about 45184.7474376033. The cubic root of 2041661401 is about 1268.6093445438.

Subtracting from 2041661401 its reverse (1041661402), we obtain a palindrome (999999999).

The spelling of 2041661401 in words is "two billion, forty-one million, six hundred sixty-one thousand, four hundred one".