26618995146 has 8 divisors (see below), whose sum is σ = 53237990304. Its totient is φ = 8872998380.

The previous prime is 26618995141. The next prime is 26618995213. The reversal of 26618995146 is 64159981662.

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

26618995146 is an admirable number.

It is a super-2 number, since 2×26618995146² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26618995141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218249590 + ... + 2218249601.

It is an arithmetic number, because the mean of its divisors is an integer number (6654748788).

Almost surely, 2^26618995146 is an apocalyptic number.

26618995146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26618995146 is a wasteful number, since it uses less digits than its factorization.

26618995146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436499196.

The product of its digits is 5598720, while the sum is 57.

The spelling of 26618995146 in words is "twenty-six billion, six hundred eighteen million, nine hundred ninety-five thousand, one hundred forty-six".