1166052646 has 16 divisors (see below), whose sum is σ = 1908962640. Its totient is φ = 529780480.

The previous prime is 1166052623. The next prime is 1166052649. The reversal of 1166052646 is 6462506611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166052649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42210 + ... + 64138.

It is an arithmetic number, because the mean of its divisors is an integer number (119310165).

Almost surely, 2^1166052646 is an apocalyptic number.

1166052646 is a deficient number, since it is larger than the sum of its proper divisors (742909994).

1166052646 is a wasteful number, since it uses less digits than its factorization.

1166052646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24359.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1166052646 is about 34147.5130280376. The cubic root of 1166052646 is about 1052.5418826603.

The spelling of 1166052646 in words is "one billion, one hundred sixty-six million, fifty-two thousand, six hundred forty-six".