1085987066 has 16 divisors (see below), whose sum is σ = 1747072800. Its totient is φ = 504708048.

The previous prime is 1085987053. The next prime is 1085987083. The reversal of 1085987066 is 6607895801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267596 + ... + 271623.

It is an arithmetic number, because the mean of its divisors is an integer number (109192050).

Almost surely, 2^1085987066 is an apocalyptic number.

1085987066 is a deficient number, since it is larger than the sum of its proper divisors (661085734).

1085987066 is a wasteful number, since it uses less digits than its factorization.

1085987066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539293.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 1085987066 is about 32954.3178657972. The cubic root of 1085987066 is about 1027.8779530046.

The spelling of 1085987066 in words is "one billion, eighty-five million, nine hundred eighty-seven thousand, sixty-six".