26668162816031 has 4 divisors (see below), whose sum is σ = 29092541253864. Its totient is φ = 24243784378200.

The previous prime is 26668162816019. The next prime is 26668162816081. The reversal of 26668162816031 is 13061826186662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26668162816031 - 2¹⁴ = 26668162799647 is a prime.

It is a super-2 number, since 2×26668162816031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26668162816081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212189218900 + ... + 1212189218921.

It is an arithmetic number, because the mean of its divisors is an integer number (7273135313466).

Almost surely, 2^{26668162816031} is an apocalyptic number.

26668162816031 is a deficient number, since it is larger than the sum of its proper divisors (2424378437833).

26668162816031 is a wasteful number, since it uses less digits than its factorization.

26668162816031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424378437832.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 26668162816031 in words is "twenty-six trillion, six hundred sixty-eight billion, one hundred sixty-two million, eight hundred sixteen thousand, thirty-one".