1630411565 has 16 divisors (see below), whose sum is σ = 2087688000. Its totient is φ = 1218748032.

The previous prime is 1630411561. The next prime is 1630411621. The reversal of 1630411565 is 5651140361.

It is a cyclic number.

It is not a de Polignac number, because 1630411565 - 2² = 1630411561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630411561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110615 + ... + 124484.

It is an arithmetic number, because the mean of its divisors is an integer number (130480500).

Almost surely, 2^1630411565 is an apocalyptic number.

It is an amenable number.

1630411565 is a deficient number, since it is larger than the sum of its proper divisors (457276435).

1630411565 is a wasteful number, since it uses less digits than its factorization.

1630411565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235196.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1630411565 is about 40378.3551547113. The cubic root of 1630411565 is about 1176.9709645442.

The spelling of 1630411565 in words is "one billion, six hundred thirty million, four hundred eleven thousand, five hundred sixty-five".