1166454564 has 48 divisors (see below), whose sum is σ = 2971166016. Its totient is φ = 353232000.

The previous prime is 1166454539. The next prime is 1166454571. The reversal of 1166454564 is 4654546611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351714 + ... + 355014.

It is an arithmetic number, because the mean of its divisors is an integer number (61899292).

Almost surely, 2^1166454564 is an apocalyptic number.

It is an amenable number.

1166454564 is an abundant number, since it is smaller than the sum of its proper divisors (1804711452).

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

1166454564 is a wasteful number, since it uses less digits than its factorization.

1166454564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996 (or 5994 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 1166454564 is about 34153.3975469498. The cubic root of 1166454564 is about 1052.6627997089.

The spelling of 1166454564 in words is "one billion, one hundred sixty-six million, four hundred fifty-four thousand, five hundred sixty-four".