163530015619 has 2 divisors, whose sum is σ = 163530015620. Its totient is φ = 163530015618.

The previous prime is 163530015599. The next prime is 163530015659. The reversal of 163530015619 is 916510035361.

It is an a-pointer prime, because the next prime (163530015659) can be obtained adding 163530015619 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163530015619 - 2²⁵ = 163496461187 is a prime.

It is a super-2 number, since 2×163530015619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (163530015659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81765007809 + 81765007810.

It is an arithmetic number, because the mean of its divisors is an integer number (81765007810).

Almost surely, 2^163530015619 is an apocalyptic number.

163530015619 is a deficient number, since it is larger than the sum of its proper divisors (1).

163530015619 is an equidigital number, since it uses as much as digits as its factorization.

163530015619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 40.

The spelling of 163530015619 in words is "one hundred sixty-three billion, five hundred thirty million, fifteen thousand, six hundred nineteen".