1166493408 has 48 divisors (see below), whose sum is σ = 3071907216. Its totient is φ = 387578880.

The previous prime is 1166493407. The next prime is 1166493409. The reversal of 1166493408 is 8043946611.

It is an interprime number because it is at equal distance from previous prime (1166493407) and next prime (1166493409).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1166493408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166493407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10638 + ... + 49458.

It is an arithmetic number, because the mean of its divisors is an integer number (63998067).

Almost surely, 2^1166493408 is an apocalyptic number.

It is an amenable number.

1166493408 is an abundant number, since it is smaller than the sum of its proper divisors (1905413808).

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

1166493408 is a wasteful number, since it uses less digits than its factorization.

1166493408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39147 (or 39139 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1166493408 is about 34153.9662118472. The cubic root of 1166493408 is about 1052.6744844560.

The spelling of 1166493408 in words is "one billion, one hundred sixty-six million, four hundred ninety-three thousand, four hundred eight".