16500605600061 has 64 divisors (see below), whose sum is σ = 28073135385600. Its totient is φ = 9473380660800.

The previous prime is 16500605599999. The next prime is 16500605600113. The reversal of 16500605600061 is 16000650600561.

It is not a de Polignac number, because 16500605600061 - 2³⁸ = 16225727693117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16500605599989 and 16500605600025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500605600861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88993431 + ... + 89178651.

It is an arithmetic number, because the mean of its divisors is an integer number (438642740400).

Almost surely, 2^{16500605600061} is an apocalyptic number.

16500605600061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16500605600061 is a deficient number, since it is larger than the sum of its proper divisors (11572529785539).

16500605600061 is a wasteful number, since it uses less digits than its factorization.

16500605600061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201047 (or 201041 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 16500605600061 in words is "sixteen trillion, five hundred billion, six hundred five million, six hundred thousand, sixty-one".