166190335251701 has 8 divisors (see below), whose sum is σ = 167055231006144. Its totient is φ = 165325478734080.

The previous prime is 166190335251667. The next prime is 166190335251823. The reversal of 166190335251701 is 107152533091661.

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 166190335251701 - 2²⁶ = 166190268142837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166190335251701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166190335251301) 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, 1296851 + ... + 18277376.

It is an arithmetic number, because the mean of its divisors is an integer number (20881903875768).

Almost surely, 2^{166190335251701} is an apocalyptic number.

It is an amenable number.

166190335251701 is a deficient number, since it is larger than the sum of its proper divisors (864895754443).

166190335251701 is a wasteful number, since it uses less digits than its factorization.

166190335251701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19618411.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 166190335251701 in words is "one hundred sixty-six trillion, one hundred ninety billion, three hundred thirty-five million, two hundred fifty-one thousand, seven hundred one".