16487101 has 2 divisors, whose sum is σ = 16487102. Its totient is φ = 16487100.

The previous prime is 16487099. The next prime is 16487111. The reversal of 16487101 is 10178461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15960025 + 527076 = 3995^2 + 726^2 .

It is a cyclic number.

It is not a de Polignac number, because 16487101 - 2¹ = 16487099 is a prime.

Together with 16487099, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16487101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16487111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8243550 + 8243551.

It is an arithmetic number, because the mean of its divisors is an integer number (8243551).

Almost surely, 2^16487101 is an apocalyptic number.

It is an amenable number.

16487101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16487101 is an equidigital number, since it uses as much as digits as its factorization.

16487101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 16487101 is about 4060.4311347442. The cubic root of 16487101 is about 254.5158106751.

The spelling of 16487101 in words is "sixteen million, four hundred eighty-seven thousand, one hundred one".