2141617658 has 8 divisors (see below), whose sum is σ = 3212645652. Its totient is φ = 1070735776.

The previous prime is 2141617649. The next prime is 2141617669. The reversal of 2141617658 is 8567161412.

It can be written as a sum of positive squares in 2 ways, for example, as 2055443569 + 86174089 = 45337^2 + 9283^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14216 + ... + 66972.

Almost surely, 2^2141617658 is an apocalyptic number.

2141617658 is a deficient number, since it is larger than the sum of its proper divisors (1071027994).

2141617658 is a wasteful number, since it uses less digits than its factorization.

2141617658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73056.

The product of its digits is 80640, while the sum is 41.

The square root of 2141617658 is about 46277.6150854817. The cubic root of 2141617658 is about 1288.9833662309.

The spelling of 2141617658 in words is "two billion, one hundred forty-one million, six hundred seventeen thousand, six hundred fifty-eight".