18068895640351 has 8 divisors (see below), whose sum is σ = 18566462787840. Its totient is φ = 17574844868952.

The previous prime is 18068895640339. The next prime is 18068895640399. The reversal of 18068895640351 is 15304659886081.

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 18068895640351 - 2⁷ = 18068895640223 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 (18068895647351) 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, 879083605 + ... + 879104158.

It is an arithmetic number, because the mean of its divisors is an integer number (2320807848480).

Almost surely, 2^{18068895640351} is an apocalyptic number.

18068895640351 is a deficient number, since it is larger than the sum of its proper divisors (497567147489).

18068895640351 is a wasteful number, since it uses less digits than its factorization.

18068895640351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758188045.

The product of its (nonzero) digits is 49766400, while the sum is 64.

The spelling of 18068895640351 in words is "eighteen trillion, sixty-eight billion, eight hundred ninety-five million, six hundred forty thousand, three hundred fifty-one".