26165537412 has 48 divisors (see below), whose sum is σ = 73447127040. Its totient is φ = 7082400672.

The previous prime is 26165537407. The next prime is 26165537417. The reversal of 26165537412 is 21473556162.

It is an interprime number because it is at equal distance from previous prime (26165537407) and next prime (26165537417).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (26165537417) 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, 8195628 + ... + 8198819.

It is an arithmetic number, because the mean of its divisors is an integer number (1530148480).

Almost surely, 2^26165537412 is an apocalyptic number.

It is an amenable number.

26165537412 is an abundant number, since it is smaller than the sum of its proper divisors (47281589628).

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

26165537412 is a wasteful number, since it uses less digits than its factorization.

26165537412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16394480 (or 16394478 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The spelling of 26165537412 in words is "twenty-six billion, one hundred sixty-five million, five hundred thirty-seven thousand, four hundred twelve".