16555340761653 has 8 divisors (see below), whose sum is σ = 22214385056608. Its totient is φ = 10966595153904.

The previous prime is 16555340761649. The next prime is 16555340761669. The reversal of 16555340761653 is 35616704355561.

It is a happy number.

16555340761653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16555340761653 - 2² = 16555340761649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16555340761593 and 16555340761602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555340761753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17574671251 + ... + 17574672192.

It is an arithmetic number, because the mean of its divisors is an integer number (2776798132076).

Almost surely, 2^{16555340761653} is an apocalyptic number.

It is an amenable number.

16555340761653 is a deficient number, since it is larger than the sum of its proper divisors (5659044294955).

16555340761653 is a wasteful number, since it uses less digits than its factorization.

16555340761653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35149343603.

The product of its (nonzero) digits is 34020000, while the sum is 57.

The spelling of 16555340761653 in words is "sixteen trillion, five hundred fifty-five billion, three hundred forty million, seven hundred sixty-one thousand, six hundred fifty-three".