126165336160 has 48 divisors (see below), whose sum is σ = 298729620000. Its totient is φ = 50353709056.

The previous prime is 126165336127. The next prime is 126165336197. The reversal of 126165336160 is 61633561621.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806260 + ... + 949939.

It is an arithmetic number, because the mean of its divisors is an integer number (6223533750).

Almost surely, 2^126165336160 is an apocalyptic number.

126165336160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126165336160 is an abundant number, since it is smaller than the sum of its proper divisors (172564283840).

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

126165336160 is a wasteful number, since it uses less digits than its factorization.

126165336160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756663 (or 1756655 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

Adding to 126165336160 its reverse (61633561621), we get a palindrome (187798897781).

The spelling of 126165336160 in words is "one hundred twenty-six billion, one hundred sixty-five million, three hundred thirty-six thousand, one hundred sixty".