26643422151 has 16 divisors (see below), whose sum is σ = 39618482400. Its totient is φ = 17696245824.

The previous prime is 26643422147. The next prime is 26643422153. The reversal of 26643422151 is 15122434662.

26643422151 is a `hidden beast` number, since 2 + 6 + 6 + 434 + 2 + 215 + 1 = 666.

It is not a de Polignac number, because 26643422151 - 2² = 26643422147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26643422153) 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, 1826926 + ... + 1841451.

It is an arithmetic number, because the mean of its divisors is an integer number (2476155150).

Almost surely, 2^26643422151 is an apocalyptic number.

26643422151 is a deficient number, since it is larger than the sum of its proper divisors (12975060249).

26643422151 is a wasteful number, since it uses less digits than its factorization.

26643422151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668655 (or 3668649 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 26643422151 in words is "twenty-six billion, six hundred forty-three million, four hundred twenty-two thousand, one hundred fifty-one".