16530600361 has 4 divisors (see below), whose sum is σ = 18033382224. Its totient is φ = 15027818500.

The previous prime is 16530600349. The next prime is 16530600367. The reversal of 16530600361 is 16300603561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16530600361 - 2¹⁷ = 16530469289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16530600367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751390915 + ... + 751390936.

It is an arithmetic number, because the mean of its divisors is an integer number (4508345556).

Almost surely, 2^16530600361 is an apocalyptic number.

16530600361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16530600361 is a deficient number, since it is larger than the sum of its proper divisors (1502781863).

16530600361 is a wasteful number, since it uses less digits than its factorization.

16530600361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502781862.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 16530600361 in words is "sixteen billion, five hundred thirty million, six hundred thousand, three hundred sixty-one".