2933920211161 has 27 divisors (see below), whose sum is σ = 3289944026271. Its totient is φ = 2615509854144.

The previous prime is 2933920211111. The next prime is 2933920211171. The reversal of 2933920211161 is 1611120293392.

The square root of 2933920211161 is 1712869.

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

It can be written as a sum of positive squares in only one way, i.e., 2284193936025 + 649726275136 = 1511355^2 + 806056^2 .

It is not a de Polignac number, because 2933920211161 - 2⁹ = 2933920210649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2933920211111) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 553254036 + ... + 553259338.

Almost surely, 2^{2933920211161} is an apocalyptic number.

2933920211161 is the 1712869-th square number.

2933920211161 is the 856435-th centered octagonal number.

It is an amenable number.

2933920211161 is a deficient number, since it is larger than the sum of its proper divisors (356023815110).

2933920211161 is an frugal number, since it uses more digits than its factorization.

2933920211161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10678 (or 5339 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 2933920211161 in words is "two trillion, nine hundred thirty-three billion, nine hundred twenty million, two hundred eleven thousand, one hundred sixty-one".