1659001659016 has 24 divisors (see below), whose sum is σ = 3368313282330. Its totient is φ = 765693072768.

The previous prime is 1659001658983. The next prime is 1659001659041. The reversal of 1659001659016 is 6109561009561.

It can be written as a sum of positive squares in 3 ways, for example, as 1026108220900 + 632893438116 = 1012970^2 + 795546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613534765 + ... + 613537468.

Almost surely, 2^{1659001659016} is an apocalyptic number.

It is an amenable number.

1659001659016 is an abundant number, since it is smaller than the sum of its proper divisors (1709311623314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1659001659016 is a wasteful number, since it uses less digits than its factorization.

1659001659016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227072265 (or 1227072248 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 49.

The spelling of 1659001659016 in words is "one trillion, six hundred fifty-nine billion, one million, six hundred fifty-nine thousand, sixteen".