1166201406 has 12 divisors (see below), whose sum is σ = 2526769752. Its totient is φ = 388733796.

The previous prime is 1166201401. The next prime is 1166201419. The reversal of 1166201406 is 6041026611.

It is a self number, because there is not a number n which added to its sum of digits gives 1166201406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166201401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32394466 + ... + 32394501.

It is an arithmetic number, because the mean of its divisors is an integer number (210564146).

Almost surely, 2^1166201406 is an apocalyptic number.

1166201406 is an abundant number, since it is smaller than the sum of its proper divisors (1360568346).

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

1166201406 is a wasteful number, since it uses less digits than its factorization.

1166201406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64788975 (or 64788972 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1166201406 is about 34149.6911552652. The cubic root of 1166201406 is about 1052.5866403514.

The spelling of 1166201406 in words is "one billion, one hundred sixty-six million, two hundred one thousand, four hundred six".