16377534561253 has 4 divisors (see below), whose sum is σ = 16384968759808. Its totient is φ = 16370100362700.

The previous prime is 16377534561217. The next prime is 16377534561281. The reversal of 16377534561253 is 35216543577361.

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 a de Polignac number, because none of the positive numbers 2^k-16377534561253 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 (16377534561053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3717095973 + ... + 3717100378.

It is an arithmetic number, because the mean of its divisors is an integer number (4096242189952).

Almost surely, 2^{16377534561253} is an apocalyptic number.

It is an amenable number.

16377534561253 is a deficient number, since it is larger than the sum of its proper divisors (7434198555).

16377534561253 is an equidigital number, since it uses as much as digits as its factorization.

16377534561253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434198554.

The product of its digits is 47628000, while the sum is 58.

The spelling of 16377534561253 in words is "sixteen trillion, three hundred seventy-seven billion, five hundred thirty-four million, five hundred sixty-one thousand, two hundred fifty-three".