68272436158 has 8 divisors (see below), whose sum is σ = 103402913328. Its totient is φ = 33804798384.

The previous prime is 68272436153. The next prime is 68272436159. The reversal of 68272436158 is 85163427286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68272436158² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68272436153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165709591 + ... + 165710002.

It is an arithmetic number, because the mean of its divisors is an integer number (12925364166).

Almost surely, 2^68272436158 is an apocalyptic number.

68272436158 is a deficient number, since it is larger than the sum of its proper divisors (35130477170).

68272436158 is a wasteful number, since it uses less digits than its factorization.

68272436158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331419698.

The product of its digits is 3870720, while the sum is 52.

The spelling of 68272436158 in words is "sixty-eight billion, two hundred seventy-two million, four hundred thirty-six thousand, one hundred fifty-eight".