1616716287 has 16 divisors (see below), whose sum is σ = 2401308000. Its totient is φ = 1075033152.

The previous prime is 1616716261. The next prime is 1616716301. The reversal of 1616716287 is 7826176161.

1616716287 is a `hidden beast` number, since 1 + 6 + 16 + 7 + 1 + 628 + 7 = 666.

It is not a de Polignac number, because 1616716287 - 2⁷ = 1616716159 is a prime.

It is a super-2 number, since 2×1616716287² = 5227543105302132738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616716687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66462 + ... + 87467.

It is an arithmetic number, because the mean of its divisors is an integer number (150081750).

Almost surely, 2^1616716287 is an apocalyptic number.

1616716287 is a deficient number, since it is larger than the sum of its proper divisors (784591713).

1616716287 is a wasteful number, since it uses less digits than its factorization.

1616716287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154327 (or 154321 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 1616716287 is about 40208.4106500120. The cubic root of 1616716287 is about 1173.6662184378. Note that the first 3 decimals are identical.

The spelling of 1616716287 in words is "one billion, six hundred sixteen million, seven hundred sixteen thousand, two hundred eighty-seven".