26646146034160 has 80 divisors (see below), whose sum is σ = 65280100556160. Its totient is φ = 10087087299840.

The previous prime is 26646146034091. The next prime is 26646146034169. The reversal of 26646146034160 is 6143064164662.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26646146034169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7551042 + ... + 10502881.

It is an arithmetic number, because the mean of its divisors is an integer number (816001256952).

Almost surely, 2^{26646146034160} is an apocalyptic number.

26646146034160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26646146034160 is an abundant number, since it is smaller than the sum of its proper divisors (38633954522000).

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

26646146034160 is a wasteful number, since it uses less digits than its factorization.

26646146034160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18054926 (or 18054920 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 26646146034160 in words is "twenty-six trillion, six hundred forty-six billion, one hundred forty-six million, thirty-four thousand, one hundred sixty".