16577985093 has 4 divisors (see below), whose sum is σ = 22103980128. Its totient is φ = 11051990060.

The previous prime is 16577985079. The next prime is 16577985101. The reversal of 16577985093 is 39058977561.

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 16577985093 - 2⁴ = 16577985077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16577980093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2762997513 + ... + 2762997518.

It is an arithmetic number, because the mean of its divisors is an integer number (5525995032).

Almost surely, 2^16577985093 is an apocalyptic number.

It is an amenable number.

16577985093 is a deficient number, since it is larger than the sum of its proper divisors (5525995035).

16577985093 is an equidigital number, since it uses as much as digits as its factorization.

16577985093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525995034.

The product of its (nonzero) digits is 14288400, while the sum is 60.

The spelling of 16577985093 in words is "sixteen billion, five hundred seventy-seven million, nine hundred eighty-five thousand, ninety-three".