655112010 has 64 divisors (see below), whose sum is σ = 1845464832. Its totient is φ = 145691136.

The previous prime is 655111999. The next prime is 655112011. The reversal of 655112010 is 10211556.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (655112011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34387 + ... + 49926.

It is an arithmetic number, because the mean of its divisors is an integer number (28835388).

Almost surely, 2^655112010 is an apocalyptic number.

655112010 is an abundant number, since it is smaller than the sum of its proper divisors (1190352822).

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

655112010 is a wasteful number, since it uses less digits than its factorization.

655112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84367.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 655112010 is about 25595.1559870222. The cubic root of 655112010 is about 868.5040615699.

Adding to 655112010 its reverse (10211556), we get a palindrome (665323566).

The spelling of 655112010 in words is "six hundred fifty-five million, one hundred twelve thousand, ten".