26108352664 has 32 divisors (see below), whose sum is σ = 51092529120. Its totient is φ = 12483922176.

The previous prime is 26108352659. The next prime is 26108352671. The reversal of 26108352664 is 46625380162.

It is a self number, because there is not a number n which added to its sum of digits gives 26108352664.

It is a congruent number.

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, 1043242 + ... + 1067974.

It is an arithmetic number, because the mean of its divisors is an integer number (1596641535).

Almost surely, 2^26108352664 is an apocalyptic number.

It is an amenable number.

26108352664 is a deficient number, since it is larger than the sum of its proper divisors (24984176456).

26108352664 is a wasteful number, since it uses less digits than its factorization.

26108352664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30499 (or 30495 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 26108352664 in words is "twenty-six billion, one hundred eight million, three hundred fifty-two thousand, six hundred sixty-four".