166195096743 has 64 divisors (see below), whose sum is σ = 248828002304. Its totient is φ = 97977600000.

The previous prime is 166195096723. The next prime is 166195096747. The reversal of 166195096743 is 347690591661.

It is not a de Polignac number, because 166195096743 - 2¹⁸ = 166194834599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166195096747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92278443 + ... + 92280243.

It is an arithmetic number, because the mean of its divisors is an integer number (3887937536).

Almost surely, 2^166195096743 is an apocalyptic number.

166195096743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

166195096743 is a deficient number, since it is larger than the sum of its proper divisors (82632905561).

166195096743 is a wasteful number, since it uses less digits than its factorization.

166195096743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 166195096743 in words is "one hundred sixty-six billion, one hundred ninety-five million, ninety-six thousand, seven hundred forty-three".