16552056191 has 32 divisors (see below), whose sum is σ = 19317699072. Its totient is φ = 14033036160.

The previous prime is 16552056187. The next prime is 16552056217. The reversal of 16552056191 is 19165025561.

It is not a de Polignac number, because 16552056191 - 2² = 16552056187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16552056691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2181881 + ... + 2189453.

It is an arithmetic number, because the mean of its divisors is an integer number (603678096).

Almost surely, 2^16552056191 is an apocalyptic number.

16552056191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16552056191 is a deficient number, since it is larger than the sum of its proper divisors (2765642881).

16552056191 is a wasteful number, since it uses less digits than its factorization.

16552056191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823.

The product of its (nonzero) digits is 81000, while the sum is 41.

The spelling of 16552056191 in words is "sixteen billion, five hundred fifty-two million, fifty-six thousand, one hundred ninety-one".