2969180443161 has 15 divisors (see below), whose sum is σ = 4435465557061. Its totient is φ = 1979443289988.

The previous prime is 2969180443147. The next prime is 2969180443211. The reversal of 2969180443161 is 1613440819692.

The square root of 2969180443161 is 1723131.

It is a perfect power (a square), and thus also a powerful number.

2969180443161 is a `hidden beast` number, since 2 + 9 + 6 + 9 + 180 + 443 + 16 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2969180443161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2969180443098 and 2969180443107.

It is not an unprimeable number, because it can be changed into a prime (2969180443111) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 15412450 + ... + 15603908.

Almost surely, 2^{2969180443161} is an apocalyptic number.

2969180443161 is the 1723131-st square number.

2969180443161 is the 861566-th centered octagonal number.

It is an amenable number.

2969180443161 is a deficient number, since it is larger than the sum of its proper divisors (1466285113900).

2969180443161 is an frugal number, since it uses more digits than its factorization.

2969180443161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382930 (or 191462 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 2969180443161 in words is "two trillion, nine hundred sixty-nine billion, one hundred eighty million, four hundred forty-three thousand, one hundred sixty-one".