5870966187661 has 4 divisors (see below), whose sum is σ = 5981739134652. Its totient is φ = 5760193240672.

The previous prime is 5870966187631. The next prime is 5870966187707. The reversal of 5870966187661 is 1667816690785.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3530659790025 + 2340306397636 = 1879005^2 + 1529806^2 .

It is a cyclic number.

It is not a de Polignac number, because 5870966187661 - 2¹¹ = 5870966185613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5870966187631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55386473416 + ... + 55386473521.

It is an arithmetic number, because the mean of its divisors is an integer number (1495434783663).

Almost surely, 2^{5870966187661} is an apocalyptic number.

It is an amenable number.

5870966187661 is a deficient number, since it is larger than the sum of its proper divisors (110772946991).

5870966187661 is a wasteful number, since it uses less digits than its factorization.

5870966187661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110772946990.

The product of its (nonzero) digits is 182891520, while the sum is 70.

The spelling of 5870966187661 in words is "five trillion, eight hundred seventy billion, nine hundred sixty-six million, one hundred eighty-seven thousand, six hundred sixty-one".