16549310523 has 8 divisors (see below), whose sum is σ = 22076081488. Its totient is φ = 11027706624.

The previous prime is 16549310509. The next prime is 16549310567. The reversal of 16549310523 is 32501394561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16549310523 - 2¹⁸ = 16549048379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16549310123) 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 7 ways as a sum of consecutive naturals, for example, 1284286 + ... + 1297107.

It is an arithmetic number, because the mean of its divisors is an integer number (2759510186).

Almost surely, 2^16549310523 is an apocalyptic number.

16549310523 is a deficient number, since it is larger than the sum of its proper divisors (5526770965).

16549310523 is a wasteful number, since it uses less digits than its factorization.

16549310523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583533.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 16549310523 in words is "sixteen billion, five hundred forty-nine million, three hundred ten thousand, five hundred twenty-three".