620256629067198 has 64 divisors (see below), whose sum is σ = 1262893920330240. Its totient is φ = 203033154844800.

The previous prime is 620256629067193. The next prime is 620256629067199. The reversal of 620256629067198 is 891760926652026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620256629067193) 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 31 ways as a sum of consecutive naturals, for example, 2413499868 + ... + 2413756848.

It is an arithmetic number, because the mean of its divisors is an integer number (19732717505160).

Almost surely, 2^{620256629067198} is an apocalyptic number.

620256629067198 is an abundant number, since it is smaller than the sum of its proper divisors (642637291263042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620256629067198 is a wasteful number, since it uses less digits than its factorization.

620256629067198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267713.

The product of its (nonzero) digits is 235146240, while the sum is 69.

The spelling of 620256629067198 in words is "six hundred twenty trillion, two hundred fifty-six billion, six hundred twenty-nine million, sixty-seven thousand, one hundred ninety-eight".