16061287 has 4 divisors (see below), whose sum is σ = 17521416. Its totient is φ = 14601160.

The previous prime is 16061281. The next prime is 16061303. The reversal of 16061287 is 78216061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16061287 - 2⁷ = 16061159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730048 + ... + 730069.

It is an arithmetic number, because the mean of its divisors is an integer number (4380354).

Almost surely, 2^16061287 is an apocalyptic number.

16061287 is a deficient number, since it is larger than the sum of its proper divisors (1460129).

16061287 is a wasteful number, since it uses less digits than its factorization.

16061287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460128.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 16061287 is about 4007.6535528910. The cubic root of 16061287 is about 252.3055366427.

The spelling of 16061287 in words is "sixteen million, sixty-one thousand, two hundred eighty-seven".