108216451 has 12 divisors (see below), whose sum is σ = 126547752. Its totient is φ = 92268288.

The previous prime is 108216439. The next prime is 108216463. The reversal of 108216451 is 154612801.

It is an interprime number because it is at equal distance from previous prime (108216439) and next prime (108216463).

It is not a de Polignac number, because 108216451 - 2¹⁷ = 108085379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108216481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3736 + ... + 15178.

It is an arithmetic number, because the mean of its divisors is an integer number (10545646).

Almost surely, 2^108216451 is an apocalyptic number.

108216451 is a deficient number, since it is larger than the sum of its proper divisors (18331301).

108216451 is a wasteful number, since it uses less digits than its factorization.

108216451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11650 (or 11643 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 108216451 is about 10402.7136363547. The cubic root of 108216451 is about 476.5382463859.

The spelling of 108216451 in words is "one hundred eight million, two hundred sixteen thousand, four hundred fifty-one".