2661952575 has 24 divisors (see below), whose sum is σ = 4430260096. Its totient is φ = 1410300000.

The previous prime is 2661952571. The next prime is 2661952577. The reversal of 2661952575 is 5752591662.

It is not a de Polignac number, because 2661952575 - 2² = 2661952571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661952571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106201 + ... + 128850.

Almost surely, 2^2661952575 is an apocalyptic number.

2661952575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2661952575 is a deficient number, since it is larger than the sum of its proper divisors (1768307521).

2661952575 is a wasteful number, since it uses less digits than its factorization.

2661952575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235215 (or 235210 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 48.

The square root of 2661952575 is about 51594.1137631029. The cubic root of 2661952575 is about 1385.9049245661.

The spelling of 2661952575 in words is "two billion, six hundred sixty-one million, nine hundred fifty-two thousand, five hundred seventy-five".