16572184004949 has 4 divisors (see below), whose sum is σ = 22096245339936. Its totient is φ = 11048122669964.

The previous prime is 16572184004941. The next prime is 16572184004983. The reversal of 16572184004949 is 94940048127561.

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 16572184004949 - 2³ = 16572184004941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16572184004892 and 16572184004901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16572184004941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2762030667489 + ... + 2762030667494.

It is an arithmetic number, because the mean of its divisors is an integer number (5524061334984).

Almost surely, 2^{16572184004949} is an apocalyptic number.

It is an amenable number.

16572184004949 is a deficient number, since it is larger than the sum of its proper divisors (5524061334987).

16572184004949 is an equidigital number, since it uses as much as digits as its factorization.

16572184004949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524061334986.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 16572184004949 in words is "sixteen trillion, five hundred seventy-two billion, one hundred eighty-four million, four thousand, nine hundred forty-nine".