6610020361 has 4 divisors (see below), whose sum is σ = 7554308992. Its totient is φ = 5665731732.

The previous prime is 6610020341. The next prime is 6610020413. The reversal of 6610020361 is 1630200166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6610020361 - 2³¹ = 4462536713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6610020311) 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, 472144305 + ... + 472144318.

It is an arithmetic number, because the mean of its divisors is an integer number (1888577248).

Almost surely, 2^6610020361 is an apocalyptic number.

It is an amenable number.

6610020361 is a deficient number, since it is larger than the sum of its proper divisors (944288631).

6610020361 is an equidigital number, since it uses as much as digits as its factorization.

6610020361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944288630.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 6610020361 is about 81302.0317150808. The cubic root of 6610020361 is about 1876.7262666312.

The spelling of 6610020361 in words is "six billion, six hundred ten million, twenty thousand, three hundred sixty-one".