2661510053 has 8 divisors (see below), whose sum is σ = 2749105920. Its totient is φ = 2574023040.

The previous prime is 2661510041. The next prime is 2661510073. The reversal of 2661510053 is 3500151662.

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

It is a cyclic number.

It is not a de Polignac number, because 2661510053 - 2⁶ = 2661509989 is a prime.

It is a super-3 number, since 3×2661510053³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2661509998 and 2661510025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661510073) 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, 24053 + ... + 76821.

It is an arithmetic number, because the mean of its divisors is an integer number (343638240).

Almost surely, 2^2661510053 is an apocalyptic number.

It is an amenable number.

2661510053 is a deficient number, since it is larger than the sum of its proper divisors (87595867).

2661510053 is a wasteful number, since it uses less digits than its factorization.

2661510053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54427.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2661510053 is about 51589.8250917756. The cubic root of 2661510053 is about 1385.8281228714.

The spelling of 2661510053 in words is "two billion, six hundred sixty-one million, five hundred ten thousand, fifty-three".