1659211141 has 16 divisors (see below), whose sum is σ = 1925303040. Its totient is φ = 1400434560.

The previous prime is 1659211139. The next prime is 1659211199. The reversal of 1659211141 is 1411129561.

It is a happy number.

It is not a de Polignac number, because 1659211141 - 2¹ = 1659211139 is a prime.

It is a super-3 number, since 3×1659211141³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1659211121) 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, 559635 + ... + 562591.

It is an arithmetic number, because the mean of its divisors is an integer number (120331440).

Almost surely, 2^1659211141 is an apocalyptic number.

It is an amenable number.

1659211141 is a deficient number, since it is larger than the sum of its proper divisors (266091899).

1659211141 is a wasteful number, since it uses less digits than its factorization.

1659211141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

The product of its digits is 2160, while the sum is 31.

The square root of 1659211141 is about 40733.4155331958. The cubic root of 1659211141 is about 1183.8605581785.

The spelling of 1659211141 in words is "one billion, six hundred fifty-nine million, two hundred eleven thousand, one hundred forty-one".