655415046 has 96 divisors (see below), whose sum is σ = 1687664160. Its totient is φ = 181209600.

The previous prime is 655415041. The next prime is 655415071. The reversal of 655415046 is 640514556.

655415046 is a `hidden beast` number, since 65 + 541 + 50 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 655415046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655415041) 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 47 ways as a sum of consecutive naturals, for example, 227656 + ... + 230516.

It is an arithmetic number, because the mean of its divisors is an integer number (17579835).

Almost surely, 2^655415046 is an apocalyptic number.

655415046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 655415046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843832080).

655415046 is an abundant number, since it is smaller than the sum of its proper divisors (1032249114).

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

655415046 is a wasteful number, since it uses less digits than its factorization.

655415046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 655415046 is about 25601.0750946127. The cubic root of 655415046 is about 868.6379559381.

The spelling of 655415046 in words is "six hundred fifty-five million, four hundred fifteen thousand, forty-six".