166797066240001 has 8 divisors (see below), whose sum is σ = 172205700081408. Its totient is φ = 161390187606000.

The previous prime is 166797066239987. The next prime is 166797066240011. The reversal of 166797066240001 is 100042660797661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166797066240001 - 2²⁹ = 166796529369089 is a prime.

It is a super-2 number, since 2×166797066240001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166797066240011) 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, 438608710 + ... + 438988831.

It is an arithmetic number, because the mean of its divisors is an integer number (21525712510176).

Almost surely, 2^{166797066240001} is an apocalyptic number.

It is an amenable number.

166797066240001 is a deficient number, since it is larger than the sum of its proper divisors (5408633841407).

166797066240001 is an equidigital number, since it uses as much as digits as its factorization.

166797066240001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877603703.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 166797066240001 in words is "one hundred sixty-six trillion, seven hundred ninety-seven billion, sixty-six million, two hundred forty thousand, one".