16536642514 has 24 divisors (see below), whose sum is σ = 29919094848. Its totient is φ = 6714123480.

The previous prime is 16536642389. The next prime is 16536642541. The reversal of 16536642514 is 41524663561.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1630942 + ... + 1641049.

It is an arithmetic number, because the mean of its divisors is an integer number (1246628952).

Almost surely, 2^16536642514 is an apocalyptic number.

16536642514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16536642514 is a deficient number, since it is larger than the sum of its proper divisors (13382452334).

16536642514 is a wasteful number, since it uses less digits than its factorization.

16536642514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272038 (or 3272019 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The spelling of 16536642514 in words is "sixteen billion, five hundred thirty-six million, six hundred forty-two thousand, five hundred fourteen".