1166053501 has 2 divisors, whose sum is σ = 1166053502. Its totient is φ = 1166053500.

The previous prime is 1166053481. The next prime is 1166053531. The reversal of 1166053501 is 1053506611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 753557401 + 412496100 = 27451^2 + 20310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166053501 - 2¹⁹ = 1165529213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1166053501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166053531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583026750 + 583026751.

It is an arithmetic number, because the mean of its divisors is an integer number (583026751).

Almost surely, 2^1166053501 is an apocalyptic number.

It is an amenable number.

1166053501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166053501 is an equidigital number, since it uses as much as digits as its factorization.

1166053501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1166053501 is about 34147.5255472487. The cubic root of 1166053501 is about 1052.5421399166.

The spelling of 1166053501 in words is "one billion, one hundred sixty-six million, fifty-three thousand, five hundred one".