1561160106 has 24 divisors (see below), whose sum is σ = 3690015264. Its totient is φ = 473078760.

The previous prime is 1561160101. The next prime is 1561160147. The reversal of 1561160106 is 6010611651.

1561160106 is a `hidden beast` number, since 1 + 56 + 1 + 1 + 601 + 0 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1561160106.

It is not an unprimeable number, because it can be changed into a prime (1561160101) 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, 3942126 + ... + 3942521.

It is an arithmetic number, because the mean of its divisors is an integer number (153750636).

Almost surely, 2^1561160106 is an apocalyptic number.

1561160106 is an abundant number, since it is smaller than the sum of its proper divisors (2128855158).

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

1561160106 is a wasteful number, since it uses less digits than its factorization.

1561160106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884666 (or 7884663 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1561160106 is about 39511.5186496292. The cubic root of 1561160106 is about 1160.0654209041.

Adding to 1561160106 its reverse (6010611651), we get a palindrome (7571771757).

The spelling of 1561160106 in words is "one billion, five hundred sixty-one million, one hundred sixty thousand, one hundred six".