1166051016650 has 24 divisors (see below), whose sum is σ = 2335689883884. Its totient is φ = 430541913600.

The previous prime is 1166051016649. The next prime is 1166051016677. The reversal of 1166051016650 is 566101506611.

It can be written as a sum of positive squares in 6 ways, for example, as 372652865209 + 793398151441 = 610453^2 + 890729^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 896961671 + ... + 896962970.

Almost surely, 2^{1166051016650} is an apocalyptic number.

1166051016650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166051016650 is an abundant number, since it is smaller than the sum of its proper divisors (1169638867234).

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

1166051016650 is a wasteful number, since it uses less digits than its factorization.

1166051016650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793924666 (or 1793924661 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 1166051016650 in words is "one trillion, one hundred sixty-six billion, fifty-one million, sixteen thousand, six hundred fifty".