2718552661 has 32 divisors (see below), whose sum is σ = 3179520000. Its totient is φ = 2298404160.

The previous prime is 2718552653. The next prime is 2718552679. The reversal of 2718552661 is 1662558172.

It is not a de Polignac number, because 2718552661 - 2³ = 2718552653 is a prime.

It is a super-3 number, since 3×2718552661³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2718552611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3780660 + ... + 3781378.

It is an arithmetic number, because the mean of its divisors is an integer number (99360000).

Almost surely, 2^2718552661 is an apocalyptic number.

It is an amenable number.

2718552661 is a deficient number, since it is larger than the sum of its proper divisors (460967339).

2718552661 is a wasteful number, since it uses less digits than its factorization.

2718552661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 201600, while the sum is 43.

The square root of 2718552661 is about 52139.7416660267. The cubic root of 2718552661 is about 1395.6587735678.

The spelling of 2718552661 in words is "two billion, seven hundred eighteen million, five hundred fifty-two thousand, six hundred sixty-one".