166663526113001 has 8 divisors (see below), whose sum is σ = 170988228387360. Its totient is φ = 162388820396992.

The previous prime is 166663526112929. The next prime is 166663526113003. The reversal of 166663526113001 is 100311625366661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166663526113001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166663526113003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12499132835 + ... + 12499146168.

It is an arithmetic number, because the mean of its divisors is an integer number (21373528548420).

Almost surely, 2^{166663526113001} is an apocalyptic number.

It is an amenable number.

166663526113001 is a deficient number, since it is larger than the sum of its proper divisors (4324702274359).

166663526113001 is a wasteful number, since it uses less digits than its factorization.

166663526113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24998279175.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 166663526113001 in words is "one hundred sixty-six trillion, six hundred sixty-three billion, five hundred twenty-six million, one hundred thirteen thousand, one".