16066562536 has 8 divisors (see below), whose sum is σ = 30124804770. Its totient is φ = 8033281264.

The previous prime is 16066562509. The next prime is 16066562549. The reversal of 16066562536 is 63526566061.

It can be written as a sum of positive squares in only one way, i.e., 14690894436 + 1375668100 = 121206^2 + 37090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004160151 + ... + 1004160166.

Almost surely, 2^16066562536 is an apocalyptic number.

It is an amenable number.

16066562536 is a deficient number, since it is larger than the sum of its proper divisors (14058242234).

16066562536 is a wasteful number, since it uses less digits than its factorization.

16066562536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008320323 (or 2008320319 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 16066562536 in words is "sixteen billion, sixty-six million, five hundred sixty-two thousand, five hundred thirty-six".