2487196161 has 12 divisors (see below), whose sum is σ = 3680242020. Its totient is φ = 1617688320.

The previous prime is 2487196133. The next prime is 2487196163. The reversal of 2487196161 is 1616917842.

2487196161 is a `hidden beast` number, since 2 + 487 + 1 + 9 + 6 + 161 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 673713936 + 1813482225 = 25956^2 + 42585^2 .

It is not a de Polignac number, because 2487196161 - 2⁹ = 2487195649 is a prime.

It is a super-2 number, since 2×2487196161² = 12372289486586275842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2487196163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3369816 + ... + 3370553.

It is an arithmetic number, because the mean of its divisors is an integer number (306686835).

Almost surely, 2^2487196161 is an apocalyptic number.

It is an amenable number.

2487196161 is a deficient number, since it is larger than the sum of its proper divisors (1193045859).

2487196161 is a wasteful number, since it uses less digits than its factorization.

2487196161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740416 (or 6740413 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2487196161 is about 49871.7972505503. The cubic root of 2487196161 is about 1354.8878437326.

The spelling of 2487196161 in words is "two billion, four hundred eighty-seven million, one hundred ninety-six thousand, one hundred sixty-one".