660222654026100 has 144 divisors (see below), whose sum is σ = 2086769225888256. Its totient is φ = 159833819376000.

The previous prime is 660222654026063. The next prime is 660222654026107. The reversal of 660222654026100 is 1620456222066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660222654026107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135198886 + ... + 139997085.

Almost surely, 2^{660222654026100} is an apocalyptic number.

660222654026100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

660222654026100 is an abundant number, since it is smaller than the sum of its proper divisors (1426546571862156).

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

660222654026100 is a wasteful number, since it uses less digits than its factorization.

660222654026100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275196726 (or 275196719 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 660222654026100 in words is "six hundred sixty trillion, two hundred twenty-two billion, six hundred fifty-four million, twenty-six thousand, one hundred".