133662218660 has 48 divisors (see below), whose sum is σ = 284713978752. Its totient is φ = 52698912000.

The previous prime is 133662218659. The next prime is 133662218687. The reversal of 133662218660 is 66812266331.

It is a happy number.

It is a super-2 number, since 2×133662218660² (a number of 23 digits) contains 22 as substring.

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, 7478735 + ... + 7496585.

It is an arithmetic number, because the mean of its divisors is an integer number (5931541224).

Almost surely, 2^133662218660 is an apocalyptic number.

133662218660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133662218660 is an abundant number, since it is smaller than the sum of its proper divisors (151051760092).

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

133662218660 is a wasteful number, since it uses less digits than its factorization.

133662218660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23204 (or 23202 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 133662218660 in words is "one hundred thirty-three billion, six hundred sixty-two million, two hundred eighteen thousand, six hundred sixty".