1166966190 has 384 divisors, whose sum is σ = 3744703872. Its totient is φ = 258785280.

The previous prime is 1166966189. The next prime is 1166966237. The reversal of 1166966190 is 916696611.

It is a super-2 number, since 2×1166966190² = 2723620177206232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 22018204 + ... + 22018256.

It is an arithmetic number, because the mean of its divisors is an integer number (9751833).

Almost surely, 2^1166966190 is an apocalyptic number.

1166966190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166966190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872351936).

1166966190 is an abundant number, since it is smaller than the sum of its proper divisors (2577737682).

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

1166966190 is a wasteful number, since it uses less digits than its factorization.

1166966190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1166966190 is about 34160.8868444600. The cubic root of 1166966190 is about 1052.8166822379.

The spelling of 1166966190 in words is "one billion, one hundred sixty-six million, nine hundred sixty-six thousand, one hundred ninety".