1066115662 has 16 divisors (see below), whose sum is σ = 1694059920. Its totient is φ = 501459328.

The previous prime is 1066115647. The next prime is 1066115671. The reversal of 1066115662 is 2665116601.

It is a happy number.

It is a super-2 number, since 2×1066115662² = 2273205209523396488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77889 + ... + 90547.

It is an arithmetic number, because the mean of its divisors is an integer number (105878745).

Almost surely, 2^1066115662 is an apocalyptic number.

1066115662 is a deficient number, since it is larger than the sum of its proper divisors (627944258).

1066115662 is a wasteful number, since it uses less digits than its factorization.

1066115662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15155.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1066115662 is about 32651.4266457072. The cubic root of 1066115662 is about 1021.5699461917.

The spelling of 1066115662 in words is "one billion, sixty-six million, one hundred fifteen thousand, six hundred sixty-two".