163530415237 has 16 divisors (see below), whose sum is σ = 191088400000. Its totient is φ = 139887881280.

The previous prime is 163530415201. The next prime is 163530415241. The reversal of 163530415237 is 732514035361.

It is not a de Polignac number, because 163530415237 - 2¹⁵ = 163530382469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163530415237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163530415637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306564 + ... + 648877.

It is an arithmetic number, because the mean of its divisors is an integer number (11943025000).

Almost surely, 2^163530415237 is an apocalyptic number.

It is an amenable number.

163530415237 is a deficient number, since it is larger than the sum of its proper divisors (27557984763).

163530415237 is an frugal number, since it uses more digits than its factorization.

163530415237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955961 (or 955947 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 163530415237 in words is "one hundred sixty-three billion, five hundred thirty million, four hundred fifteen thousand, two hundred thirty-seven".