16506136652 has 24 divisors (see below), whose sum is σ = 29385115200. Its totient is φ = 8110482896.

The previous prime is 16506136639. The next prime is 16506136663. The reversal of 16506136652 is 25663160561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825323 + ... + 845085.

It is an arithmetic number, because the mean of its divisors is an integer number (1224379800).

Almost surely, 2^16506136652 is an apocalyptic number.

It is an amenable number.

16506136652 is a deficient number, since it is larger than the sum of its proper divisors (12878978548).

16506136652 is a wasteful number, since it uses less digits than its factorization.

16506136652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23365 (or 23363 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 16506136652 in words is "sixteen billion, five hundred six million, one hundred thirty-six thousand, six hundred fifty-two".