660379110 has 64 divisors (see below), whose sum is σ = 1697112000. Its totient is φ = 163868672.

The previous prime is 660379103. The next prime is 660379121. The reversal of 660379110 is 11973066.

It is a super-2 number, since 2×660379110² = 872201137848784200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38116 + ... + 52664.

It is an arithmetic number, because the mean of its divisors is an integer number (26517375).

Almost surely, 2^660379110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660379110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848556000).

660379110 is an abundant number, since it is smaller than the sum of its proper divisors (1036732890).

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

660379110 is a wasteful number, since it uses less digits than its factorization.

660379110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14665.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 660379110 is about 25697.8425164448. The cubic root of 660379110 is about 870.8254419793.

The spelling of 660379110 in words is "six hundred sixty million, three hundred seventy-nine thousand, one hundred ten".