1659095037665 has 64 divisors (see below), whose sum is σ = 2376054922752. Its totient is φ = 1099635609600.

The previous prime is 1659095037647. The next prime is 1659095037671. The reversal of 1659095037665 is 5667305909561.

It is a happy number.

It is not a de Polignac number, because 1659095037665 - 2⁸ = 1659095037409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1659095037598 and 1659095037607.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8313755 + ... + 8510975.

It is an arithmetic number, because the mean of its divisors is an integer number (37125858168).

Almost surely, 2^{1659095037665} is an apocalyptic number.

It is an amenable number.

1659095037665 is a deficient number, since it is larger than the sum of its proper divisors (716959885087).

1659095037665 is a wasteful number, since it uses less digits than its factorization.

1659095037665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197610.

The product of its (nonzero) digits is 45927000, while the sum is 62.

The spelling of 1659095037665 in words is "one trillion, six hundred fifty-nine billion, ninety-five million, thirty-seven thousand, six hundred sixty-five".