1611080860 has 12 divisors (see below), whose sum is σ = 3383269848. Its totient is φ = 644432336.

The previous prime is 1611080833. The next prime is 1611080869. The reversal of 1611080860 is 680801161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611080869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40277002 + ... + 40277041.

It is an arithmetic number, because the mean of its divisors is an integer number (281939154).

Almost surely, 2^1611080860 is an apocalyptic number.

1611080860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1611080860 is an abundant number, since it is smaller than the sum of its proper divisors (1772188988).

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

1611080860 is a wasteful number, since it uses less digits than its factorization.

1611080860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80554052 (or 80554050 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1611080860 is about 40138.2717614996. The cubic root of 1611080860 is about 1172.3009386514.

The spelling of 1611080860 in words is "one billion, six hundred eleven million, eighty thousand, eight hundred sixty".