16949545587 has 24 divisors (see below), whose sum is σ = 26401581024. Its totient is φ = 10416397824.

The previous prime is 16949545579. The next prime is 16949545589. The reversal of 16949545587 is 78554594961.

16949545587 is a `hidden beast` number, since 1 + 6 + 9 + 4 + 9 + 5 + 45 + 587 = 666.

It is not a de Polignac number, because 16949545587 - 2³ = 16949545579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16949545589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10558 + ... + 184419.

It is an arithmetic number, because the mean of its divisors is an integer number (1100065876).

Almost surely, 2^16949545587 is an apocalyptic number.

16949545587 is a deficient number, since it is larger than the sum of its proper divisors (9452035437).

16949545587 is a wasteful number, since it uses less digits than its factorization.

16949545587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195739 (or 195736 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 63.

The spelling of 16949545587 in words is "sixteen billion, nine hundred forty-nine million, five hundred forty-five thousand, five hundred eighty-seven".