26061661616012 has 24 divisors (see below), whose sum is σ = 49754614646352. Its totient is φ = 11846082830400.

The previous prime is 26061661615949. The next prime is 26061661616059. The reversal of 26061661616012 is 21061616616062.

It is a super-2 number, since 2×26061661616012² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038962 + ... + 7294022.

It is an arithmetic number, because the mean of its divisors is an integer number (2073108943598).

Almost surely, 2^{26061661616012} is an apocalyptic number.

26061661616012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26061661616012 is a deficient number, since it is larger than the sum of its proper divisors (23692953030340).

26061661616012 is a wasteful number, since it uses less digits than its factorization.

26061661616012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349769 (or 6349767 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 26061661616012 in words is "twenty-six trillion, sixty-one billion, six hundred sixty-one million, six hundred sixteen thousand, twelve".