26621012662 has 4 divisors (see below), whose sum is σ = 39931518996. Its totient is φ = 13310506330.

The previous prime is 26621012641. The next prime is 26621012701.

26621012662 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655253164 + ... + 6655253167.

It is an arithmetic number, because the mean of its divisors is an integer number (9982879749).

Almost surely, 2^26621012662 is an apocalyptic number.

26621012662 is a deficient number, since it is larger than the sum of its proper divisors (13310506334).

26621012662 is a wasteful number, since it uses less digits than its factorization.

26621012662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13310506333.

The product of its (nonzero) digits is 20736, while the sum is 34.

It can be divided in two parts, 266210 and 12662, that added together give a palindrome (278872).

The spelling of 26621012662 in words is "twenty-six billion, six hundred twenty-one million, twelve thousand, six hundred sixty-two".