26061651612 has 48 divisors (see below), whose sum is σ = 67584832000. Its totient is φ = 8684956080.

The previous prime is 26061651607. The next prime is 26061651619. The reversal of 26061651612 is 21615616062.

26061651612 is a `hidden beast` number, since 26 + 0 + 6 + 16 + 5 + 1 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26061651619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414639 + ... + 473337.

Almost surely, 2^26061651612 is an apocalyptic number.

It is an amenable number.

26061651612 is an abundant number, since it is smaller than the sum of its proper divisors (41523180388).

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

26061651612 is a wasteful number, since it uses less digits than its factorization.

26061651612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62823 (or 62815 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 26061651612 in words is "twenty-six billion, sixty-one million, six hundred fifty-one thousand, six hundred twelve".