58403109661 has 8 divisors (see below), whose sum is σ = 63006201720. Its totient is φ = 53815809792.

The previous prime is 58403109641. The next prime is 58403109683. The reversal of 58403109661 is 16690130485.

It can be written as a sum of positive squares in 4 ways, for example, as 4210063225 + 54193046436 = 64885^2 + 232794^2 .

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 58403109661 - 2²³ = 58394721053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58403109631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3940360 + ... + 3955153.

It is an arithmetic number, because the mean of its divisors is an integer number (7875775215).

Almost surely, 2^58403109661 is an apocalyptic number.

It is an amenable number.

58403109661 is a deficient number, since it is larger than the sum of its proper divisors (4603092059).

58403109661 is a wasteful number, since it uses less digits than its factorization.

58403109661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896095.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 58403109661 in words is "fifty-eight billion, four hundred three million, one hundred nine thousand, six hundred sixty-one".