1166455416 has 32 divisors (see below), whose sum is σ = 3332730240. Its totient is φ = 333272928.

The previous prime is 1166455399. The next prime is 1166455427. The reversal of 1166455416 is 6145546611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3471426 + ... + 3471761.

It is an arithmetic number, because the mean of its divisors is an integer number (104147820).

Almost surely, 2^1166455416 is an apocalyptic number.

It is an amenable number.

1166455416 is an abundant number, since it is smaller than the sum of its proper divisors (2166274824).

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

1166455416 is a wasteful number, since it uses less digits than its factorization.

1166455416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943203 (or 6943199 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 1166455416 is about 34153.4100200844. The cubic root of 1166455416 is about 1052.6630560036.

The spelling of 1166455416 in words is "one billion, one hundred sixty-six million, four hundred fifty-five thousand, four hundred sixteen".