158441773866 has 16 divisors (see below), whose sum is σ = 316888078944. Its totient is φ = 52813169424.

The previous prime is 158441773823. The next prime is 158441773873. The reversal of 158441773866 is 668377144851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413640 + ... + 698556.

It is an arithmetic number, because the mean of its divisors is an integer number (19805504934).

Almost surely, 2^158441773866 is an apocalyptic number.

158441773866 is an abundant number, since it is smaller than the sum of its proper divisors (158446305078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158441773866 is a wasteful number, since it uses less digits than its factorization.

158441773866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377605.

The product of its digits is 27095040, while the sum is 60.

The spelling of 158441773866 in words is "one hundred fifty-eight billion, four hundred forty-one million, seven hundred seventy-three thousand, eight hundred sixty-six".