68172310958 has 16 divisors (see below), whose sum is σ = 104092296480. Its totient is φ = 33479952000.

The previous prime is 68172310957. The next prime is 68172311023. The reversal of 68172310958 is 85901327186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68172310951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241303 + ... + 1295058.

It is an arithmetic number, because the mean of its divisors is an integer number (6505768530).

Almost surely, 2^68172310958 is an apocalyptic number.

68172310958 is a deficient number, since it is larger than the sum of its proper divisors (35919985522).

68172310958 is a wasteful number, since it uses less digits than its factorization.

68172310958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536603.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 68172310958 in words is "sixty-eight billion, one hundred seventy-two million, three hundred ten thousand, nine hundred fifty-eight".