660097801146 has 32 divisors (see below), whose sum is σ = 1588205237760. Its totient is φ = 178673088816.

The previous prime is 660097801007. The next prime is 660097801189. The reversal of 660097801146 is 641108790066.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 660097801095 and 660097801104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413594316 + ... + 413595911.

It is an arithmetic number, because the mean of its divisors is an integer number (49631413680).

Almost surely, 2^660097801146 is an apocalyptic number.

660097801146 is an abundant number, since it is smaller than the sum of its proper divisors (928107436614).

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

660097801146 is a wasteful number, since it uses less digits than its factorization.

660097801146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827190258.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 660097801146 in words is "six hundred sixty billion, ninety-seven million, eight hundred one thousand, one hundred forty-six".