109616451 has 16 divisors (see below), whose sum is σ = 169774848. Its totient is φ = 61610400.

The previous prime is 109616447. The next prime is 109616461. The reversal of 109616451 is 154616901.

It is not a de Polignac number, because 109616451 - 2² = 109616447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109616431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41505 + ... + 44066.

It is an arithmetic number, because the mean of its divisors is an integer number (10610928).

Almost surely, 2^109616451 is an apocalyptic number.

109616451 is a deficient number, since it is larger than the sum of its proper divisors (60158397).

109616451 is an equidigital number, since it uses as much as digits as its factorization.

109616451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85642.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 109616451 is about 10469.7875336608. The cubic root of 109616451 is about 478.5844449801.

The spelling of 109616451 in words is "one hundred nine million, six hundred sixteen thousand, four hundred fifty-one".