1966431741 has 8 divisors (see below), whose sum is σ = 2622157824. Its totient is φ = 1310830080.

The previous prime is 1966431707. The next prime is 1966431781. The reversal of 1966431741 is 1471346691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1966431741 - 2¹⁰ = 1966430717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1966431693 and 1966431702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966431781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15940 + ... + 64706.

It is an arithmetic number, because the mean of its divisors is an integer number (327769728).

Almost surely, 2^1966431741 is an apocalyptic number.

It is an amenable number.

1966431741 is a deficient number, since it is larger than the sum of its proper divisors (655726083).

1966431741 is a wasteful number, since it uses less digits than its factorization.

1966431741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62211.

The product of its digits is 108864, while the sum is 42.

The square root of 1966431741 is about 44344.4668588991. The cubic root of 1966431741 is about 1252.8323488062.

The spelling of 1966431741 in words is "one billion, nine hundred sixty-six million, four hundred thirty-one thousand, seven hundred forty-one".