16557377053 has 8 divisors (see below), whose sum is σ = 18925734080. Its totient is φ = 14189774400.

The previous prime is 16557377051. The next prime is 16557377063. The reversal of 16557377053 is 35077375561.

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

It is a cyclic number.

It is not a de Polignac number, because 16557377053 - 2¹ = 16557377051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16557376988 and 16557377006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16557377051) 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, 140748 + ... + 230053.

It is an arithmetic number, because the mean of its divisors is an integer number (2365716760).

Almost surely, 2^16557377053 is an apocalyptic number.

It is an amenable number.

16557377053 is a deficient number, since it is larger than the sum of its proper divisors (2368357027).

16557377053 is an equidigital number, since it uses as much as digits as its factorization.

16557377053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377187.

The product of its (nonzero) digits is 2315250, while the sum is 49.

The spelling of 16557377053 in words is "sixteen billion, five hundred fifty-seven million, three hundred seventy-seven thousand, fifty-three".