163952641003 has 2 divisors, whose sum is σ = 163952641004. Its totient is φ = 163952641002.

The previous prime is 163952640989. The next prime is 163952641019. The reversal of 163952641003 is 300146259361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163952641003 - 2³⁷ = 26513687531 is a prime.

It is not a weakly prime, because it can be changed into another prime (163952641033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81976320501 + 81976320502.

It is an arithmetic number, because the mean of its divisors is an integer number (81976320502).

Almost surely, 2^163952641003 is an apocalyptic number.

163952641003 is a deficient number, since it is larger than the sum of its proper divisors (1).

163952641003 is an equidigital number, since it uses as much as digits as its factorization.

163952641003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 163952641003 in words is "one hundred sixty-three billion, nine hundred fifty-two million, six hundred forty-one thousand, three".