2864153449161 has 9 divisors (see below), whose sum is σ = 4137117871341. Its totient is φ = 1909432248012.

The previous prime is 2864153449153. The next prime is 2864153449177. The reversal of 2864153449161 is 1619443514682.

The square root of 2864153449161 is 1692381.

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

2864153449161 is a `hidden beast` number, since 2 + 8 + 6 + 4 + 1 + 534 + 49 + 1 + 61 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2864153449161 - 2³ = 2864153449153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2864153449098 and 2864153449107.

It is not an unprimeable number, because it can be changed into a prime (2864155449161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4795080 + ... + 5359206.

Almost surely, 2^{2864153449161} is an apocalyptic number.

2864153449161 is the 1692381-st square number.

2864153449161 is the 846191-st centered octagonal number.

It is an amenable number.

2864153449161 is a deficient number, since it is larger than the sum of its proper divisors (1272964422180).

2864153449161 is an frugal number, since it uses more digits than its factorization.

2864153449161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128260 (or 564130 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 2864153449161 in words is "two trillion, eight hundred sixty-four billion, one hundred fifty-three million, four hundred forty-nine thousand, one hundred sixty-one".