1166576880 has 80 divisors (see below), whose sum is σ = 4133021184. Its totient is φ = 266645760.

The previous prime is 1166576849. The next prime is 1166576891. The reversal of 1166576880 is 886756611.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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, 345516 + ... + 348875.

Almost surely, 2^1166576880 is an apocalyptic number.

1166576880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166576880 is an abundant number, since it is smaller than the sum of its proper divisors (2966444304).

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

1166576880 is a wasteful number, since it uses less digits than its factorization.

1166576880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694414 (or 694408 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 1166576880 is about 34155.1881856915. The cubic root of 1166576880 is about 1052.6995929702.

The spelling of 1166576880 in words is "one billion, one hundred sixty-six million, five hundred seventy-six thousand, eight hundred eighty".