620031616171 has 8 divisors (see below), whose sum is σ = 677753640000. Its totient is φ = 562535511240.

The previous prime is 620031616163. The next prime is 620031616177. The reversal of 620031616171 is 171616130026.

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 620031616171 - 2³ = 620031616163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620031616177) 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, 56473981 + ... + 56484958.

It is an arithmetic number, because the mean of its divisors is an integer number (84719205000).

Almost surely, 2^620031616171 is an apocalyptic number.

620031616171 is a deficient number, since it is larger than the sum of its proper divisors (57722023829).

620031616171 is a wasteful number, since it uses less digits than its factorization.

620031616171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112959449.

The product of its (nonzero) digits is 9072, while the sum is 34.

Adding to 620031616171 its reverse (171616130026), we get a palindrome (791647746197).

The spelling of 620031616171 in words is "six hundred twenty billion, thirty-one million, six hundred sixteen thousand, one hundred seventy-one".