16610155453 has 2 divisors, whose sum is σ = 16610155454. Its totient is φ = 16610155452.

The previous prime is 16610155451. The next prime is 16610155483. The reversal of 16610155453 is 35455101661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14626967364 + 1983188089 = 120942^2 + 44533^2 .

It is a cyclic number.

It is not a de Polignac number, because 16610155453 - 2¹ = 16610155451 is a prime.

Together with 16610155451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16610155451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8305077726 + 8305077727.

It is an arithmetic number, because the mean of its divisors is an integer number (8305077727).

Almost surely, 2^16610155453 is an apocalyptic number.

It is an amenable number.

16610155453 is a deficient number, since it is larger than the sum of its proper divisors (1).

16610155453 is an equidigital number, since it uses as much as digits as its factorization.

16610155453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 16610155453 in words is "sixteen billion, six hundred ten million, one hundred fifty-five thousand, four hundred fifty-three".