166235312541746 has 16 divisors (see below), whose sum is σ = 285726733967040. Its totient is φ = 71055727258320.

The previous prime is 166235312541733. The next prime is 166235312541751. The reversal of 166235312541746 is 647145213532661.

It is a junction number, because it is equal to n+sod(n) for n = 166235312541691 and 166235312541700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15664837565 + ... + 15664848176.

It is an arithmetic number, because the mean of its divisors is an integer number (17857920872940).

Almost surely, 2^{166235312541746} is an apocalyptic number.

166235312541746 is a deficient number, since it is larger than the sum of its proper divisors (119491421425294).

166235312541746 is a wasteful number, since it uses less digits than its factorization.

166235312541746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31329686129.

The product of its digits is 21772800, while the sum is 56.

The spelling of 166235312541746 in words is "one hundred sixty-six trillion, two hundred thirty-five billion, three hundred twelve million, five hundred forty-one thousand, seven hundred forty-six".