1065602655 has 32 divisors (see below), whose sum is σ = 2040131520. Its totient is φ = 524603520.

The previous prime is 1065602641. The next prime is 1065602663. The reversal of 1065602655 is 5562065601.

It is a happy number.

It is not a de Polignac number, because 1065602655 - 2⁶ = 1065602591 is a prime.

It is a super-2 number, since 2×1065602655² = 2271018036686098050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301836 + ... + 305345.

It is an arithmetic number, because the mean of its divisors is an integer number (63754110).

Almost surely, 2^1065602655 is an apocalyptic number.

1065602655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1065602655 is a deficient number, since it is larger than the sum of its proper divisors (974528865).

1065602655 is a wasteful number, since it uses less digits than its factorization.

1065602655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607208 (or 607202 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 1065602655 is about 32643.5698874985. The cubic root of 1065602655 is about 1021.4060625924.

The spelling of 1065602655 in words is "one billion, sixty-five million, six hundred two thousand, six hundred fifty-five".