1166521430170 has 16 divisors (see below), whose sum is σ = 2099825765280. Its totient is φ = 466589196304.

The previous prime is 1166521430131. The next prime is 1166521430183. The reversal of 1166521430170 is 710341256611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167840 + ... + 2651899.

It is an arithmetic number, because the mean of its divisors is an integer number (131239110330).

Almost surely, 2^{1166521430170} is an apocalyptic number.

1166521430170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166521430170 is a deficient number, since it is larger than the sum of its proper divisors (933304335110).

1166521430170 is a wasteful number, since it uses less digits than its factorization.

1166521430170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843949.

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 1166521430170 its reverse (710341256611), we get a palindrome (1876862686781).

The spelling of 1166521430170 in words is "one trillion, one hundred sixty-six billion, five hundred twenty-one million, four hundred thirty thousand, one hundred seventy".