655951898 has 8 divisors (see below), whose sum is σ = 1124488992. Its totient is φ = 281122236.

The previous prime is 655951897. The next prime is 655951937. The reversal of 655951898 is 898159556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (655951897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23426840 + ... + 23426867.

It is an arithmetic number, because the mean of its divisors is an integer number (140561124).

Almost surely, 2^655951898 is an apocalyptic number.

655951898 is a deficient number, since it is larger than the sum of its proper divisors (468537094).

655951898 is a wasteful number, since it uses less digits than its factorization.

655951898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46853716.

The product of its digits is 3888000, while the sum is 56.

The square root of 655951898 is about 25611.5578987300. The cubic root of 655951898 is about 868.8750590077.

The spelling of 655951898 in words is "six hundred fifty-five million, nine hundred fifty-one thousand, eight hundred ninety-eight".