1091652166 has 16 divisors (see below), whose sum is σ = 1843964928. Its totient is φ = 480198600.

The previous prime is 1091652139. The next prime is 1091652167. The reversal of 1091652166 is 6612561901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091652167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799650 + ... + 801013.

It is an arithmetic number, because the mean of its divisors is an integer number (115247808).

Almost surely, 2^1091652166 is an apocalyptic number.

1091652166 is a deficient number, since it is larger than the sum of its proper divisors (752312762).

1091652166 is a wasteful number, since it uses less digits than its factorization.

1091652166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600707.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1091652166 is about 33040.1598967075. The cubic root of 1091652166 is about 1029.6621778352.

The spelling of 1091652166 in words is "one billion, ninety-one million, six hundred fifty-two thousand, one hundred sixty-six".