660253098 has 8 divisors (see below), whose sum is σ = 1320506208. Its totient is φ = 220084364.

The previous prime is 660253091. The next prime is 660253109. The reversal of 660253098 is 890352066.

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

660253098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (660253091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55021086 + ... + 55021097.

It is an arithmetic number, because the mean of its divisors is an integer number (165063276).

Almost surely, 2^660253098 is an apocalyptic number.

660253098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

660253098 is a wasteful number, since it uses less digits than its factorization.

660253098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110042188.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 660253098 is about 25695.3905983155. The cubic root of 660253098 is about 870.7700488299.

The spelling of 660253098 in words is "six hundred sixty million, two hundred fifty-three thousand, ninety-eight".