622160471657 has 4 divisors (see below), whose sum is σ = 628574497236. Its totient is φ = 615746446080.

The previous prime is 622160471627. The next prime is 622160471659. The reversal of 622160471657 is 756174061226.

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

It can be written as a sum of positive squares in 2 ways, for example, as 240605946256 + 381554525401 = 490516^2 + 617701^2 .

It is a cyclic number.

It is not a de Polignac number, because 622160471657 - 2²⁸ = 621892036201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622160471659) 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, 3207012644 + ... + 3207012837.

It is an arithmetic number, because the mean of its divisors is an integer number (157143624309).

Almost surely, 2^622160471657 is an apocalyptic number.

It is an amenable number.

622160471657 is a deficient number, since it is larger than the sum of its proper divisors (6414025579).

622160471657 is an equidigital number, since it uses as much as digits as its factorization.

622160471657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414025578.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 622160471657 in words is "six hundred twenty-two billion, one hundred sixty million, four hundred seventy-one thousand, six hundred fifty-seven".