21416154110 has 32 divisors (see below), whose sum is σ = 41686710912. Its totient is φ = 7874680320.

The previous prime is 21416154103. The next prime is 21416154113. The reversal of 21416154110 is 1145161412.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 21416154110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21416154113) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 310454 + ... + 373113.

It is an arithmetic number, because the mean of its divisors is an integer number (1302709716).

Almost surely, 2^21416154110 is an apocalyptic number.

21416154110 is a deficient number, since it is larger than the sum of its proper divisors (20270556802).

21416154110 is a wasteful number, since it uses less digits than its factorization.

21416154110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683828.

The product of its (nonzero) digits is 960, while the sum is 26.

The spelling of 21416154110 in words is "twenty-one billion, four hundred sixteen million, one hundred fifty-four thousand, one hundred ten".