68102616953233 has 4 divisors (see below), whose sum is σ = 68102644418928. Its totient is φ = 68102589487540.

The previous prime is 68102616953207. The next prime is 68102616953237. The reversal of 68102616953233 is 33235961620186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68102616953233 - 2⁵ = 68102616953201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68102616953237) 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, 9598663 + ... + 15110908.

It is an arithmetic number, because the mean of its divisors is an integer number (17025661104732).

Almost surely, 2^{68102616953233} is an apocalyptic number.

It is an amenable number.

68102616953233 is a deficient number, since it is larger than the sum of its proper divisors (27465695).

68102616953233 is a wasteful number, since it uses less digits than its factorization.

68102616953233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27465694.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 68102616953233 in words is "sixty-eight trillion, one hundred two billion, six hundred sixteen million, nine hundred fifty-three thousand, two hundred thirty-three".