20157602976179 has 8 divisors (see below), whose sum is σ = 20332828336128. Its totient is φ = 19982635492680.

The previous prime is 20157602976167. The next prime is 20157602976221. The reversal of 20157602976179 is 97167920675102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20157602976179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20157602976079) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64312097 + ... + 64624770.

It is an arithmetic number, because the mean of its divisors is an integer number (2541603542016).

Almost surely, 2^{20157602976179} is an apocalyptic number.

20157602976179 is a deficient number, since it is larger than the sum of its proper divisors (175225359949).

20157602976179 is a wasteful number, since it uses less digits than its factorization.

20157602976179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128938225.

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 20157602976179 in words is "twenty trillion, one hundred fifty-seven billion, six hundred two million, nine hundred seventy-six thousand, one hundred seventy-nine".