163913246740 has 24 divisors (see below), whose sum is σ = 345176657280. Its totient is φ = 65382662688.

The previous prime is 163913246711. The next prime is 163913246741. The reversal of 163913246740 is 47642319361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163913246741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11407392 + ... + 11421751.

It is an arithmetic number, because the mean of its divisors is an integer number (14382360720).

Almost surely, 2^163913246740 is an apocalyptic number.

163913246740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163913246740 is an abundant number, since it is smaller than the sum of its proper divisors (181263410540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163913246740 is a wasteful number, since it uses less digits than its factorization.

163913246740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22829511 (or 22829509 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 163913246740 in words is "one hundred sixty-three billion, nine hundred thirteen million, two hundred forty-six thousand, seven hundred forty".