126165901202697 has 16 divisors (see below), whose sum is σ = 169478882118720. Its totient is φ = 83481976403712.

The previous prime is 126165901202683. The next prime is 126165901202749. The reversal of 126165901202697 is 796202109561621.

It is not a de Polignac number, because 126165901202697 - 2⁷ = 126165901202569 is a prime.

It is a super-3 number, since 3×126165901202697³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (126165901212697) 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, 24641343 + ... + 29317700.

It is an arithmetic number, because the mean of its divisors is an integer number (10592430132420).

Almost surely, 2^{126165901202697} is an apocalyptic number.

It is an amenable number.

126165901202697 is a deficient number, since it is larger than the sum of its proper divisors (43312980916023).

126165901202697 is a wasteful number, since it uses less digits than its factorization.

126165901202697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53964872.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 126165901202697 in words is "one hundred twenty-six trillion, one hundred sixty-five billion, nine hundred one million, two hundred two thousand, six hundred ninety-seven".