1641483656 has 8 divisors (see below), whose sum is σ = 3077781870. Its totient is φ = 820741824.

The previous prime is 1641483653. The next prime is 1641483659. The reversal of 1641483656 is 6563841461.

It is an interprime number because it is at equal distance from previous prime (1641483653) and next prime (1641483659).

It can be written as a sum of positive squares in only one way, i.e., 1213407556 + 428076100 = 34834^2 + 20690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1641483653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102592721 + ... + 102592736.

Almost surely, 2^1641483656 is an apocalyptic number.

It is an amenable number.

1641483656 is a deficient number, since it is larger than the sum of its proper divisors (1436298214).

1641483656 is a wasteful number, since it uses less digits than its factorization.

1641483656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205185463 (or 205185459 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 1641483656 is about 40515.2274583273. The cubic root of 1641483656 is about 1179.6292179867.

The spelling of 1641483656 in words is "one billion, six hundred forty-one million, four hundred eighty-three thousand, six hundred fifty-six".