16481097 has 16 divisors (see below), whose sum is σ = 24479680. Its totient is φ = 10958976.

The previous prime is 16481081. The next prime is 16481099. The reversal of 16481097 is 79018461.

16481097 is a `hidden beast` number, since 1 + 648 + 1 + 0 + 9 + 7 = 666.

It is not a de Polignac number, because 16481097 - 2⁴ = 16481081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16481099) 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, 17718 + ... + 18624.

It is an arithmetic number, because the mean of its divisors is an integer number (1529980).

Almost surely, 2^16481097 is an apocalyptic number.

It is an amenable number.

16481097 is a deficient number, since it is larger than the sum of its proper divisors (7998583).

16481097 is an equidigital number, since it uses as much as digits as its factorization.

16481097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 16481097 is about 4059.6917370658. The cubic root of 16481097 is about 254.4849118033.

The spelling of 16481097 in words is "sixteen million, four hundred eighty-one thousand, ninety-seven".