18096787878961 has 8 divisors (see below), whose sum is σ = 19741987941984. Its totient is φ = 16451594070720.

The previous prime is 18096787878943. The next prime is 18096787879043. The reversal of 18096787878961 is 16987878769081.

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 18096787878961 - 2¹³ = 18096787870769 is a prime.

It is a super-2 number, since 2×18096787878961² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18096787878161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6133065 + ... + 8591161.

It is an arithmetic number, because the mean of its divisors is an integer number (2467748492748).

Almost surely, 2^{18096787878961} is an apocalyptic number.

18096787878961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18096787878961 is a deficient number, since it is larger than the sum of its proper divisors (1645200063023).

18096787878961 is a wasteful number, since it uses less digits than its factorization.

18096787878961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127391.

The product of its (nonzero) digits is 4096770048, while the sum is 85.

The spelling of 18096787878961 in words is "eighteen trillion, ninety-six billion, seven hundred eighty-seven million, eight hundred seventy-eight thousand, nine hundred sixty-one".