2660655453 has 8 divisors (see below), whose sum is σ = 3548315616. Its totient is φ = 1773382800.

The previous prime is 2660655449. The next prime is 2660655467. The reversal of 2660655453 is 3545560662.

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

It is not a de Polignac number, because 2660655453 - 2² = 2660655449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660655493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80458 + ... + 108603.

It is an arithmetic number, because the mean of its divisors is an integer number (443539452).

Almost surely, 2^2660655453 is an apocalyptic number.

It is an amenable number.

2660655453 is a deficient number, since it is larger than the sum of its proper divisors (887660163).

2660655453 is a wasteful number, since it uses less digits than its factorization.

2660655453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193755.

The product of its (nonzero) digits is 648000, while the sum is 42.

The square root of 2660655453 is about 51581.5417857978. The cubic root of 2660655453 is about 1385.6797790774.

The spelling of 2660655453 in words is "two billion, six hundred sixty million, six hundred fifty-five thousand, four hundred fifty-three".