4131661432 has 16 divisors (see below), whose sum is σ = 7748321760. Its totient is φ = 2065442304.

The previous prime is 4131661423. The next prime is 4131661441. The reversal of 4131661432 is 2341661314.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4131661423) and next prime (4131661441).

It is a junction number, because it is equal to n+sod(n) for n = 4131661394 and 4131661403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 90904.

It is an arithmetic number, because the mean of its divisors is an integer number (484270110).

Almost surely, 2^4131661432 is an apocalyptic number.

It is an amenable number.

4131661432 is a deficient number, since it is larger than the sum of its proper divisors (3616660328).

4131661432 is a wasteful number, since it uses less digits than its factorization.

4131661432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97110 (or 97106 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 4131661432 is about 64278.0011512493. The cubic root of 4131661432 is about 1604.6300046122.

The spelling of 4131661432 in words is "four billion, one hundred thirty-one million, six hundred sixty-one thousand, four hundred thirty-two".