119166658561 has 4 divisors (see below), whose sum is σ = 119405470000. Its totient is φ = 118927847124.

The previous prime is 119166658483. The next prime is 119166658579. The reversal of 119166658561 is 165856661911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 119166658561 - 2¹¹ = 119166656513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119166658661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 119404971 + ... + 119405968.

It is an arithmetic number, because the mean of its divisors is an integer number (29851367500).

Almost surely, 2^119166658561 is an apocalyptic number.

It is an amenable number.

119166658561 is a deficient number, since it is larger than the sum of its proper divisors (238811439).

119166658561 is an equidigital number, since it uses as much as digits as its factorization.

119166658561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238811438.

The product of its digits is 2332800, while the sum is 55.

The spelling of 119166658561 in words is "one hundred nineteen billion, one hundred sixty-six million, six hundred fifty-eight thousand, five hundred sixty-one".