21092834158 has 16 divisors (see below), whose sum is σ = 36016223616. Its totient is φ = 9170797240.

The previous prime is 21092834149. The next prime is 21092834183. The reversal of 21092834158 is 85143829012.

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, 20842216 + ... + 20843227.

It is an arithmetic number, because the mean of its divisors is an integer number (2251013976).

Almost surely, 2^21092834158 is an apocalyptic number.

21092834158 is a deficient number, since it is larger than the sum of its proper divisors (14923389458).

21092834158 is a wasteful number, since it uses less digits than its factorization.

21092834158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41685479.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 21092834158 in words is "twenty-one billion, ninety-two million, eight hundred thirty-four thousand, one hundred fifty-eight".