68191365 has 24 divisors (see below), whose sum is σ = 119929824. Its totient is φ = 33061600.

The previous prime is 68191349. The next prime is 68191367. The reversal of 68191365 is 56319186.

It is not a de Polignac number, because 68191365 - 2⁴ = 68191349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68191367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16971 + ... + 20600.

It is an arithmetic number, because the mean of its divisors is an integer number (4997076).

Almost surely, 2^68191365 is an apocalyptic number.

It is an amenable number.

68191365 is a deficient number, since it is larger than the sum of its proper divisors (51738459).

68191365 is a wasteful number, since it uses less digits than its factorization.

68191365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37601 (or 37590 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 68191365 is about 8257.8063067621. The cubic root of 68191365 is about 408.5480368406.

The spelling of 68191365 in words is "sixty-eight million, one hundred ninety-one thousand, three hundred sixty-five".