1166545554700 has 36 divisors (see below), whose sum is σ = 2532617245872. Its totient is φ = 466394555200.

The previous prime is 1166545554679. The next prime is 1166545554701. The reversal of 1166545554700 is 74555456611.

It is not an unprimeable number, because it can be changed into a prime (1166545554701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2586091 + ... + 3003490.

It is an arithmetic number, because the mean of its divisors is an integer number (70350479052).

Almost surely, 2^{1166545554700} is an apocalyptic number.

1166545554700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166545554700 is an abundant number, since it is smaller than the sum of its proper divisors (1366071691172).

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

1166545554700 is a wasteful number, since it uses less digits than its factorization.

1166545554700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591682 (or 5591675 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 1166545554700 in words is "one trillion, one hundred sixty-six billion, five hundred forty-five million, five hundred fifty-four thousand, seven hundred".