1065005506 has 16 divisors (see below), whose sum is σ = 1616785920. Its totient is φ = 526086880.

The previous prime is 1065005497. The next prime is 1065005507. The reversal of 1065005506 is 6055005601.

It is a super-2 number, since 2×1065005506² = 2268473455620632072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065005507) 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, 391491 + ... + 394201.

It is an arithmetic number, because the mean of its divisors is an integer number (101049120).

Almost surely, 2^1065005506 is an apocalyptic number.

1065005506 is a deficient number, since it is larger than the sum of its proper divisors (551780414).

1065005506 is a wasteful number, since it uses less digits than its factorization.

1065005506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1065005506 is about 32634.4221030494. The cubic root of 1065005506 is about 1021.2152329951.

The spelling of 1065005506 in words is "one billion, sixty-five million, five thousand, five hundred six".