1611160566 has 16 divisors (see below), whose sum is σ = 3226425024. Its totient is φ = 536369544.

The previous prime is 1611160561. The next prime is 1611160571. The reversal of 1611160566 is 6650611161.

It is an interprime number because it is at equal distance from previous prime (1611160561) and next prime (1611160571).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611160561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165880 + ... + 175323.

It is an arithmetic number, because the mean of its divisors is an integer number (201651564).

Almost surely, 2^1611160566 is an apocalyptic number.

1611160566 is an abundant number, since it is smaller than the sum of its proper divisors (1615264458).

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

1611160566 is a wasteful number, since it uses less digits than its factorization.

1611160566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341995.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1611160566 is about 40139.2646419936. The cubic root of 1611160566 is about 1172.3202709891.

The spelling of 1611160566 in words is "one billion, six hundred eleven million, one hundred sixty thousand, five hundred sixty-six".