2908621161 has 12 divisors (see below), whose sum is σ = 4206545460. Its totient is φ = 1936679040.

The previous prime is 2908621127. The next prime is 2908621181. The reversal of 2908621161 is 1611268092.

2908621161 is a `hidden beast` number, since 29 + 0 + 8 + 621 + 1 + 6 + 1 = 666.

2908621161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1434061161 + 1474560000 = 37869^2 + 38400^2 .

It is not a de Polignac number, because 2908621161 - 2¹³ = 2908612969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2908621181) 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, 192460 + ... + 207021.

It is an arithmetic number, because the mean of its divisors is an integer number (350545455).

Almost surely, 2^2908621161 is an apocalyptic number.

It is an amenable number.

2908621161 is a deficient number, since it is larger than the sum of its proper divisors (1297924299).

2908621161 is a wasteful number, since it uses less digits than its factorization.

2908621161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400296 (or 400293 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2908621161 is about 53931.6341398997. The cubic root of 2908621161 is about 1427.4548695455.

The spelling of 2908621161 in words is "two billion, nine hundred eight million, six hundred twenty-one thousand, one hundred sixty-one".