26668162816032 has 96 divisors (see below), whose sum is σ = 70170661858752. Its totient is φ = 8868224139264.

The previous prime is 26668162816019. The next prime is 26668162816081. The reversal of 26668162816032 is 23061826186662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×26668162816032² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192573888 + ... + 192712320.

It is an arithmetic number, because the mean of its divisors is an integer number (730944394362).

Almost surely, 2^{26668162816032} is an apocalyptic number.

It is an amenable number.

26668162816032 is an abundant number, since it is smaller than the sum of its proper divisors (43502499042720).

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

26668162816032 is a wasteful number, since it uses less digits than its factorization.

26668162816032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143210 (or 143202 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 26668162816032 in words is "twenty-six trillion, six hundred sixty-eight billion, one hundred sixty-two million, eight hundred sixteen thousand, thirty-two".