655788146 has 32 divisors (see below), whose sum is σ = 1076181120. Its totient is φ = 297892224.

The previous prime is 655788143. The next prime is 655788157. The reversal of 655788146 is 641887556.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 655788094 and 655788103.

It is not an unprimeable number, because it can be changed into a prime (655788143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882251 + ... + 882993.

It is an arithmetic number, because the mean of its divisors is an integer number (33630660).

Almost surely, 2^655788146 is an apocalyptic number.

655788146 is a deficient number, since it is larger than the sum of its proper divisors (420392974).

655788146 is a wasteful number, since it uses less digits than its factorization.

655788146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its digits is 1612800, while the sum is 50.

The square root of 655788146 is about 25608.3608612500. The cubic root of 655788146 is about 868.8027509262.

The spelling of 655788146 in words is "six hundred fifty-five million, seven hundred eighty-eight thousand, one hundred forty-six".