68107551 has 8 divisors (see below), whose sum is σ = 91267200. Its totient is φ = 45176472.

The previous prime is 68107549. The next prime is 68107561. The reversal of 68107551 is 15570186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68107551 - 2¹ = 68107549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68107511) 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, 56445 + ... + 57638.

It is an arithmetic number, because the mean of its divisors is an integer number (11408400).

Almost surely, 2^68107551 is an apocalyptic number.

68107551 is a deficient number, since it is larger than the sum of its proper divisors (23159649).

68107551 is a wasteful number, since it uses less digits than its factorization.

68107551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114285.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 68107551 is about 8252.7299119746. The cubic root of 68107551 is about 408.3805861000.

The spelling of 68107551 in words is "sixty-eight million, one hundred seven thousand, five hundred fifty-one".