68455161358 has 4 divisors (see below), whose sum is σ = 102682742040. Its totient is φ = 34227580678.

The previous prime is 68455161343. The next prime is 68455161373. The reversal of 68455161358 is 85316155486.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85316155486 = 2 ⋅42658077743.

It is an interprime number because it is at equal distance from previous prime (68455161343) and next prime (68455161373).

It is a super-2 number, since 2×68455161358² (a number of 22 digits) contains 22 as substring.

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, 17113790338 + ... + 17113790341.

It is an arithmetic number, because the mean of its divisors is an integer number (25670685510).

Almost surely, 2^68455161358 is an apocalyptic number.

68455161358 is a deficient number, since it is larger than the sum of its proper divisors (34227580682).

68455161358 is a wasteful number, since it uses less digits than its factorization.

68455161358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34227580681.

The product of its digits is 3456000, while the sum is 52.

The spelling of 68455161358 in words is "sixty-eight billion, four hundred fifty-five million, one hundred sixty-one thousand, three hundred fifty-eight".