620055067171 has 4 divisors (see below), whose sum is σ = 623859086152. Its totient is φ = 616251048192.

The previous prime is 620055067153. The next prime is 620055067207. The reversal of 620055067171 is 171760550026.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620055067171 - 2¹⁹ = 620054542883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620055067271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902009246 + ... + 1902009571.

It is an arithmetic number, because the mean of its divisors is an integer number (155964771538).

Almost surely, 2^620055067171 is an apocalyptic number.

620055067171 is a deficient number, since it is larger than the sum of its proper divisors (3804018981).

620055067171 is a wasteful number, since it uses less digits than its factorization.

620055067171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804018980.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 620055067171 in words is "six hundred twenty billion, fifty-five million, sixty-seven thousand, one hundred seventy-one".