20116663357 has 8 divisors (see below), whose sum is σ = 23019325056. Its totient is φ = 17221214832.

The previous prime is 20116663337. The next prime is 20116663373. The reversal of 20116663357 is 75336661102.

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 20116663357 - 2²³ = 20108274749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116663337) 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, 1797313 + ... + 1808470.

It is an arithmetic number, because the mean of its divisors is an integer number (2877415632).

Almost surely, 2^20116663357 is an apocalyptic number.

It is an amenable number.

20116663357 is a deficient number, since it is larger than the sum of its proper divisors (2902661699).

20116663357 is an equidigital number, since it uses as much as digits as its factorization.

20116663357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606587.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 20116663357 in words is "twenty billion, one hundred sixteen million, six hundred sixty-three thousand, three hundred fifty-seven".