1166061612 has 12 divisors (see below), whose sum is σ = 2720810456. Its totient is φ = 388687200.

The previous prime is 1166061601. The next prime is 1166061649. The reversal of 1166061612 is 2161606611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1166061612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48585889 + ... + 48585912.

Almost surely, 2^1166061612 is an apocalyptic number.

1166061612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166061612 is an abundant number, since it is smaller than the sum of its proper divisors (1554748844).

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

1166061612 is a wasteful number, since it uses less digits than its factorization.

1166061612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97171808 (or 97171806 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1166061612 is about 34147.6443111381. The cubic root of 1166061612 is about 1052.5445803848.

The spelling of 1166061612 in words is "one billion, one hundred sixty-six million, sixty-one thousand, six hundred twelve".