26668066016 has 24 divisors (see below), whose sum is σ = 52509870000. Its totient is φ = 13332226048.

The previous prime is 26668065997. The next prime is 26668066043. The reversal of 26668066016 is 61066086662.

It is a super-2 number, since 2×26668066016² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201485 + ... + 306483.

It is an arithmetic number, because the mean of its divisors is an integer number (2187911250).

Almost surely, 2^26668066016 is an apocalyptic number.

It is an amenable number.

26668066016 is a deficient number, since it is larger than the sum of its proper divisors (25841803984).

26668066016 is a wasteful number, since it uses less digits than its factorization.

26668066016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112946 (or 112938 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 26668066016 in words is "twenty-six billion, six hundred sixty-eight million, sixty-six thousand, sixteen".