12297160638 has 120 divisors (see below), whose sum is σ = 33159396600. Its totient is φ = 3392256672.

The previous prime is 12297160633. The next prime is 12297160649. The reversal of 12297160638 is 83606179221.

12297160638 is a `hidden beast` number, since 1 + 2 + 2 + 9 + 7 + 1 + 6 + 0 + 638 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12297160593 and 12297160602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12297160633) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 203493 + ... + 256911.

It is an arithmetic number, because the mean of its divisors is an integer number (276328305).

Almost surely, 2^12297160638 is an apocalyptic number.

12297160638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12297160638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16579698300).

12297160638 is an abundant number, since it is smaller than the sum of its proper divisors (20862235962).

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

12297160638 is a wasteful number, since it uses less digits than its factorization.

12297160638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53476 (or 53460 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 12297160638 in words is "twelve billion, two hundred ninety-seven million, one hundred sixty thousand, six hundred thirty-eight".