163166372657 has 16 divisors (see below), whose sum is σ = 173067440832. Its totient is φ = 153299220480.

The previous prime is 163166372651. The next prime is 163166372671. The reversal of 163166372657 is 756273661361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163166372657 - 2¹⁴ = 163166356273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163166372599 and 163166372608.

It is not an unprimeable number, because it can be changed into a prime (163166372651) 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, 39882182 + ... + 39886272.

It is an arithmetic number, because the mean of its divisors is an integer number (10816715052).

Almost surely, 2^163166372657 is an apocalyptic number.

163166372657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

163166372657 is a deficient number, since it is larger than the sum of its proper divisors (9901068175).

163166372657 is a wasteful number, since it uses less digits than its factorization.

163166372657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648.

The product of its digits is 5715360, while the sum is 53.

The spelling of 163166372657 in words is "one hundred sixty-three billion, one hundred sixty-six million, three hundred seventy-two thousand, six hundred fifty-seven".