16487970 has 32 divisors (see below), whose sum is σ = 40849920. Its totient is φ = 4254720.

The previous prime is 16487969. The next prime is 16487971. The reversal of 16487970 is 7978461.

It is an interprime number because it is at equal distance from previous prime (16487969) and next prime (16487971).

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16487971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7935 + ... + 9794.

It is an arithmetic number, because the mean of its divisors is an integer number (1276560).

Almost surely, 2^16487970 is an apocalyptic number.

16487970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16487970 is an abundant number, since it is smaller than the sum of its proper divisors (24361950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16487970 is a wasteful number, since it uses less digits than its factorization.

16487970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17770.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 16487970 is about 4060.5381416753. The cubic root of 16487970 is about 254.5202822588.

The spelling of 16487970 in words is "sixteen million, four hundred eighty-seven thousand, nine hundred seventy".