133526661168 has 80 divisors (see below), whose sum is σ = 346583102976. Its totient is φ = 44297702400.

The previous prime is 133526661137. The next prime is 133526661173. The reversal of 133526661168 is 861166625331.

It is a super-3 number, since 3×133526661168³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 15157021 + ... + 15165827.

Almost surely, 2^133526661168 is an apocalyptic number.

It is an amenable number.

133526661168 is an abundant number, since it is smaller than the sum of its proper divisors (213056441808).

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

133526661168 is a wasteful number, since it uses less digits than its factorization.

133526661168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282 (or 10276 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The spelling of 133526661168 in words is "one hundred thirty-three billion, five hundred twenty-six million, six hundred sixty-one thousand, one hundred sixty-eight".