16481087 has 8 divisors (see below), whose sum is σ = 19654656. Its totient is φ = 13512312.

The previous prime is 16481081. The next prime is 16481099. The reversal of 16481087 is 78018461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16481087 - 2¹² = 16476991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16481081) 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 7 ways as a sum of consecutive naturals, for example, 51023 + ... + 51344.

It is an arithmetic number, because the mean of its divisors is an integer number (2456832).

Almost surely, 2^16481087 is an apocalyptic number.

16481087 is a deficient number, since it is larger than the sum of its proper divisors (3173569).

16481087 is a wasteful number, since it uses less digits than its factorization.

16481087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102397.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 16481087 is about 4059.6905054450. The cubic root of 16481087 is about 254.4848603333.

The spelling of 16481087 in words is "sixteen million, four hundred eighty-one thousand, eighty-seven".