655801002 has 16 divisors (see below), whose sum is σ = 1457335680. Its totient is φ = 218600316.

The previous prime is 655800953. The next prime is 655801009. The reversal of 655801002 is 200108556.

655801002 is a `hidden beast` number, since 6 + 558 + 0 + 100 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (655801009) 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, 6072178 + ... + 6072285.

It is an arithmetic number, because the mean of its divisors is an integer number (91083480).

Almost surely, 2^655801002 is an apocalyptic number.

655801002 is an abundant number, since it is smaller than the sum of its proper divisors (801534678).

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

655801002 is a wasteful number, since it uses less digits than its factorization.

655801002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12144474 (or 12144468 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 655801002 is about 25608.6118717903. The cubic root of 655801002 is about 868.8084281942.

Adding to 655801002 its reverse (200108556), we get a palindrome (855909558).

The spelling of 655801002 in words is "six hundred fifty-five million, eight hundred one thousand, two".