378357222163 has 2 divisors, whose sum is σ = 378357222164. Its totient is φ = 378357222162.

The previous prime is 378357222121. The next prime is 378357222239. The reversal of 378357222163 is 361222753873.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378357222163 - 2³⁷ = 240918268691 is a prime.

It is not a weakly prime, because it can be changed into another prime (378357225163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189178611081 + 189178611082.

It is an arithmetic number, because the mean of its divisors is an integer number (189178611082).

Almost surely, 2^378357222163 is an apocalyptic number.

378357222163 is a deficient number, since it is larger than the sum of its proper divisors (1).

378357222163 is an equidigital number, since it uses as much as digits as its factorization.

378357222163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 49.

The spelling of 378357222163 in words is "three hundred seventy-eight billion, three hundred fifty-seven million, two hundred twenty-two thousand, one hundred sixty-three".