660408225202 has 16 divisors (see below), whose sum is σ = 1080824487552. Its totient is φ = 300142089520.

The previous prime is 660408225181. The next prime is 660408225283. The reversal of 660408225202 is 202522804066.

It is a happy number.

It is a super-2 number, since 2×660408225202² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017738 + ... + 2322085.

It is an arithmetic number, because the mean of its divisors is an integer number (67551530472).

Almost surely, 2^660408225202 is an apocalyptic number.

660408225202 is a deficient number, since it is larger than the sum of its proper divisors (420416262350).

660408225202 is a wasteful number, since it uses less digits than its factorization.

660408225202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346753.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 660408225202 in words is "six hundred sixty billion, four hundred eight million, two hundred twenty-five thousand, two hundred two".