163006253621479 has 2 divisors, whose sum is σ = 163006253621480. Its totient is φ = 163006253621478.

The previous prime is 163006253621389. The next prime is 163006253621501. The reversal of 163006253621479 is 974126352600361.

163006253621479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163006253621479 - 2⁹ = 163006253620967 is a prime.

It is a super-2 number, since 2×163006253621479² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163006253621879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81503126810739 + 81503126810740.

It is an arithmetic number, because the mean of its divisors is an integer number (81503126810740).

Almost surely, 2^{163006253621479} is an apocalyptic number.

163006253621479 is a deficient number, since it is larger than the sum of its proper divisors (1).

163006253621479 is an equidigital number, since it uses as much as digits as its factorization.

163006253621479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 163006253621479 in words is "one hundred sixty-three trillion, six billion, two hundred fifty-three million, six hundred twenty-one thousand, four hundred seventy-nine".