4131561652 has 24 divisors (see below), whose sum is σ = 7283224256. Its totient is φ = 2050671168.

The previous prime is 4131561617. The next prime is 4131561661. The reversal of 4131561652 is 2561651314.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627208 + ... + 633760.

Almost surely, 2^4131561652 is an apocalyptic number.

It is an amenable number.

4131561652 is a deficient number, since it is larger than the sum of its proper divisors (3151662604).

4131561652 is a wasteful number, since it uses less digits than its factorization.

4131561652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687 (or 7685 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 4131561652 is about 64277.2249867712. The cubic root of 4131561652 is about 1604.6170871880.

The spelling of 4131561652 in words is "four billion, one hundred thirty-one million, five hundred sixty-one thousand, six hundred fifty-two".