16612632513 has 48 divisors (see below), whose sum is σ = 25781046720. Its totient is φ = 10288156032.

The previous prime is 16612632497. The next prime is 16612632523. The reversal of 16612632513 is 31523621661.

16612632513 is a `hidden beast` number, since 1 + 6 + 6 + 1 + 2 + 632 + 5 + 13 = 666.

It is not a de Polignac number, because 16612632513 - 2⁴ = 16612632497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16612632523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 740895 + ... + 762987.

It is an arithmetic number, because the mean of its divisors is an integer number (537105140).

Almost surely, 2^16612632513 is an apocalyptic number.

It is an amenable number.

16612632513 is a deficient number, since it is larger than the sum of its proper divisors (9168414207).

16612632513 is a wasteful number, since it uses less digits than its factorization.

16612632513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22238 (or 22235 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 16612632513 in words is "sixteen billion, six hundred twelve million, six hundred thirty-two thousand, five hundred thirteen".