68214669155 has 16 divisors (see below), whose sum is σ = 86172856320. Its totient is φ = 51695363808.

The previous prime is 68214669143. The next prime is 68214669199. The reversal of 68214669155 is 55196641286.

It is a cyclic number.

It is not a de Polignac number, because 68214669155 - 2⁴ = 68214669139 is a prime.

It is a super-2 number, since 2×68214669155² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68214669097 and 68214669106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682654 + ... + 1722716.

It is an arithmetic number, because the mean of its divisors is an integer number (5385803520).

Almost surely, 2^68214669155 is an apocalyptic number.

68214669155 is a deficient number, since it is larger than the sum of its proper divisors (17958187165).

68214669155 is a wasteful number, since it uses less digits than its factorization.

68214669155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58010.

The product of its digits is 3110400, while the sum is 53.

The spelling of 68214669155 in words is "sixty-eight billion, two hundred fourteen million, six hundred sixty-nine thousand, one hundred fifty-five".