68346551 has 8 divisors (see below), whose sum is σ = 84118944. Its totient is φ = 54076320.

The previous prime is 68346541. The next prime is 68346557. The reversal of 68346551 is 15564386.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68346551 is a prime.

It is a super-3 number, since 3×68346551³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68346557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375440 + ... + 375621.

It is an arithmetic number, because the mean of its divisors is an integer number (10514868).

Almost surely, 2^68346551 is an apocalyptic number.

68346551 is a deficient number, since it is larger than the sum of its proper divisors (15772393).

68346551 is a wasteful number, since it uses less digits than its factorization.

68346551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751081.

The product of its digits is 86400, while the sum is 38.

The square root of 68346551 is about 8267.1972880777. The cubic root of 68346551 is about 408.8577187757.

The spelling of 68346551 in words is "sixty-eight million, three hundred forty-six thousand, five hundred fifty-one".