1641076361 has 8 divisors (see below), whose sum is σ = 1658812680. Its totient is φ = 1623356928.

The previous prime is 1641076337. The next prime is 1641076363. The reversal of 1641076361 is 1636701461.

It can be written as a sum of positive squares in 4 ways, for example, as 5359225 + 1635717136 = 2315^2 + 40444^2 .

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 1641076361 - 2¹⁴ = 1641059977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1641076363) 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, 334055 + ... + 338931.

It is an arithmetic number, because the mean of its divisors is an integer number (207351585).

Almost surely, 2^1641076361 is an apocalyptic number.

It is an amenable number.

1641076361 is a deficient number, since it is larger than the sum of its proper divisors (17736319).

1641076361 is an equidigital number, since it uses as much as digits as its factorization.

1641076361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1641076361 is about 40510.2007030328. The cubic root of 1641076361 is about 1179.5316443021.

The spelling of 1641076361 in words is "one billion, six hundred forty-one million, seventy-six thousand, three hundred sixty-one".