1166451448 has 8 divisors (see below), whose sum is σ = 2187096480. Its totient is φ = 583225720.

The previous prime is 1166451421. The next prime is 1166451469. The reversal of 1166451448 is 8441546611.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1166451448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72903208 + ... + 72903223.

It is an arithmetic number, because the mean of its divisors is an integer number (273387060).

Almost surely, 2^1166451448 is an apocalyptic number.

It is an amenable number.

1166451448 is a deficient number, since it is larger than the sum of its proper divisors (1020645032).

1166451448 is a wasteful number, since it uses less digits than its factorization.

1166451448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145806437 (or 145806433 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 1166451448 is about 34153.3519292031. The cubic root of 1166451448 is about 1052.6618623670.

The spelling of 1166451448 in words is "one billion, one hundred sixty-six million, four hundred fifty-one thousand, four hundred forty-eight".