2761172660 has 24 divisors (see below), whose sum is σ = 5801832960. Its totient is φ = 1103827104.

The previous prime is 2761172653. The next prime is 2761172677. The reversal of 2761172660 is 662711672.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4064 + ... + 74423.

It is an arithmetic number, because the mean of its divisors is an integer number (241743040).

Almost surely, 2^2761172660 is an apocalyptic number.

2761172660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2761172660 is an abundant number, since it is smaller than the sum of its proper divisors (3040660300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2761172660 is a wasteful number, since it uses less digits than its factorization.

2761172660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80255 (or 80253 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 2761172660 is about 52546.8615618478. The cubic root of 2761172660 is about 1402.9144490458.

The spelling of 2761172660 in words is "two billion, seven hundred sixty-one million, one hundred seventy-two thousand, six hundred sixty".