620161172 has 24 divisors (see below), whose sum is σ = 1125237960. Its totient is φ = 298712960.

The previous prime is 620161153. The next prime is 620161177. The reversal of 620161172 is 271161026.

620161172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 157653136 + 462508036 = 12556^2 + 21506^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620161177) 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, 47678 + ... + 59274.

It is an arithmetic number, because the mean of its divisors is an integer number (46884915).

Almost surely, 2^620161172 is an apocalyptic number.

It is an amenable number.

620161172 is a deficient number, since it is larger than the sum of its proper divisors (505076788).

620161172 is a wasteful number, since it uses less digits than its factorization.

620161172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12091 (or 12089 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 620161172 is about 24903.0353973165. The cubic root of 620161172 is about 852.7757799214.

The spelling of 620161172 in words is "six hundred twenty million, one hundred sixty-one thousand, one hundred seventy-two".