2561162106 has 32 divisors (see below), whose sum is σ = 5153736960. Its totient is φ = 848499264.

The previous prime is 2561162069. The next prime is 2561162147. The reversal of 2561162106 is 6012611652.

2561162106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005871 + ... + 1008413.

It is an arithmetic number, because the mean of its divisors is an integer number (161054280).

Almost surely, 2^2561162106 is an apocalyptic number.

2561162106 is an abundant number, since it is smaller than the sum of its proper divisors (2592574854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2561162106 is a wasteful number, since it uses less digits than its factorization.

2561162106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2561162106 is about 50607.9253279563. The cubic root of 2561162106 is about 1368.1877232468.

Adding to 2561162106 its reverse (6012611652), we get a palindrome (8573773758).

The spelling of 2561162106 in words is "two billion, five hundred sixty-one million, one hundred sixty-two thousand, one hundred six".