68019151 has 8 divisors (see below), whose sum is σ = 69109200. Its totient is φ = 66937728.

The previous prime is 68019139. The next prime is 68019179. The reversal of 68019151 is 15191086.

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

It is a cyclic number.

It is not a de Polignac number, because 68019151 - 2²⁵ = 34464719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68019131) 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, 14775 + ... + 18823.

It is an arithmetic number, because the mean of its divisors is an integer number (8638650).

Almost surely, 2^68019151 is an apocalyptic number.

68019151 is a deficient number, since it is larger than the sum of its proper divisors (1090049).

68019151 is a wasteful number, since it uses less digits than its factorization.

68019151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 68019151 is about 8247.3723694277. The cubic root of 68019151 is about 408.2038241328.

The spelling of 68019151 in words is "sixty-eight million, nineteen thousand, one hundred fifty-one".