2661007548 has 24 divisors (see below), whose sum is σ = 6216929152. Its totient is φ = 885872304.

The previous prime is 2661007537. The next prime is 2661007561. The reversal of 2661007548 is 8457001662.

It is a super-2 number, since 2×2661007548² = 14161922341025944608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 131440 + ... + 150327.

Almost surely, 2^2661007548 is an apocalyptic number.

It is an amenable number.

2661007548 is an abundant number, since it is smaller than the sum of its proper divisors (3555921604).

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

2661007548 is a wasteful number, since it uses less digits than its factorization.

2661007548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282561 (or 282559 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 2661007548 is about 51584.9546670345. The cubic root of 2661007548 is about 1385.7409005329.

The spelling of 2661007548 in words is "two billion, six hundred sixty-one million, seven thousand, five hundred forty-eight".