1565216041 has 8 divisors (see below), whose sum is σ = 1605592800. Its totient is φ = 1524944160.

The previous prime is 1565215973. The next prime is 1565216057. The reversal of 1565216041 is 1406125651.

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

It is a de Polignac number, because none of the positive numbers 2^k-1565216041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1565215994 and 1565216012.

It is not an unprimeable number, because it can be changed into a prime (1565211041) 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, 4470 + ... + 56128.

It is an arithmetic number, because the mean of its divisors is an integer number (200699100).

Almost surely, 2^1565216041 is an apocalyptic number.

It is an amenable number.

1565216041 is a deficient number, since it is larger than the sum of its proper divisors (40376759).

1565216041 is an equidigital number, since it uses as much as digits as its factorization.

1565216041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52439.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1565216041 is about 39562.8113384274. The cubic root of 1565216041 is about 1161.0691789630.

The spelling of 1565216041 in words is "one billion, five hundred sixty-five million, two hundred sixteen thousand, forty-one".