1065655000 has 40 divisors (see below), whose sum is σ = 2496841380. Its totient is φ = 426260000.

The previous prime is 1065654943. The next prime is 1065655009. The reversal of 1065655000 is 5565601.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1065655000² = 2271241158050000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065655000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065655009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 101566 + ... + 111565.

Almost surely, 2^1065655000 is an apocalyptic number.

1065655000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065655000 is an abundant number, since it is smaller than the sum of its proper divisors (1431186380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065655000 is an equidigital number, since it uses as much as digits as its factorization.

1065655000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213157 (or 213138 counting only the distinct ones).

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

The square root of 1065655000 is about 32644.3716435161. The cubic root of 1065655000 is about 1021.4227869704.

It can be divided in two parts, 10656 and 55000, that added together give a palindrome (65656).

The spelling of 1065655000 in words is "one billion, sixty-five million, six hundred fifty-five thousand".