158958438068 has 6 divisors (see below), whose sum is σ = 278177266626. Its totient is φ = 79479219032.

The previous prime is 158958438047. The next prime is 158958438071. The reversal of 158958438068 is 860834859851.

It can be written as a sum of positive squares in only one way, i.e., 119707696144 + 39250741924 = 345988^2 + 198118^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158958437995 and 158958438013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19869804755 + ... + 19869804762.

It is an arithmetic number, because the mean of its divisors is an integer number (46362877771).

Almost surely, 2^158958438068 is an apocalyptic number.

It is an amenable number.

158958438068 is a deficient number, since it is larger than the sum of its proper divisors (119218828558).

158958438068 is a wasteful number, since it uses less digits than its factorization.

158958438068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39739609521 (or 39739609519 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 65.

The spelling of 158958438068 in words is "one hundred fifty-eight billion, nine hundred fifty-eight million, four hundred thirty-eight thousand, sixty-eight".