1086542566 has 16 divisors (see below), whose sum is σ = 1640572128. Its totient is φ = 539697600.

The previous prime is 1086542549. The next prime is 1086542603. The reversal of 1086542566 is 6652456801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191896 + ... + 197476.

It is an arithmetic number, because the mean of its divisors is an integer number (102535758).

Almost surely, 2^1086542566 is an apocalyptic number.

1086542566 is a deficient number, since it is larger than the sum of its proper divisors (554029562).

1086542566 is a wasteful number, since it uses less digits than its factorization.

1086542566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 1086542566 is about 32962.7451223347. The cubic root of 1086542566 is about 1028.0531818793.

The spelling of 1086542566 in words is "one billion, eighty-six million, five hundred forty-two thousand, five hundred sixty-six".