68334151 has 4 divisors (see below), whose sum is σ = 68938992. Its totient is φ = 67729312.

The previous prime is 68334143. The next prime is 68334157. The reversal of 68334151 is 15143386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68334151 - 2³ = 68334143 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68334157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302251 + ... + 302476.

It is an arithmetic number, because the mean of its divisors is an integer number (17234748).

Almost surely, 2^68334151 is an apocalyptic number.

68334151 is a deficient number, since it is larger than the sum of its proper divisors (604841).

68334151 is a wasteful number, since it uses less digits than its factorization.

68334151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604840.

The product of its digits is 8640, while the sum is 31.

The square root of 68334151 is about 8266.4473021970. The cubic root of 68334151 is about 408.8329911571.

The spelling of 68334151 in words is "sixty-eight million, three hundred thirty-four thousand, one hundred fifty-one".