158330029966 has 4 divisors (see below), whose sum is σ = 237495044952. Its totient is φ = 79165014982.

The previous prime is 158330029961. The next prime is 158330029969. The reversal of 158330029966 is 669920033851.

158330029966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×158330029966² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158330029961) 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 as a sum of consecutive naturals, namely, 39582507490 + ... + 39582507493.

It is an arithmetic number, because the mean of its divisors is an integer number (59373761238).

Almost surely, 2^158330029966 is an apocalyptic number.

158330029966 is a deficient number, since it is larger than the sum of its proper divisors (79165014986).

158330029966 is an equidigital number, since it uses as much as digits as its factorization.

158330029966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79165014985.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 158330029966 in words is "one hundred fifty-eight billion, three hundred thirty million, twenty-nine thousand, nine hundred sixty-six".