133666063262501 has 48 divisors (see below), whose sum is σ = 170300115659520. Its totient is φ = 102673873209600.

The previous prime is 133666063262497. The next prime is 133666063262507. The reversal of 133666063262501 is 105262360666331.

It is not a de Polignac number, because 133666063262501 - 2² = 133666063262497 is a prime.

It is a super-3 number, since 3×133666063262501³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133666063262501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133666063262507) 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, 435057905 + ... + 435365033.

It is an arithmetic number, because the mean of its divisors is an integer number (3547919076240).

Almost surely, 2^{133666063262501} is an apocalyptic number.

133666063262501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133666063262501 is a deficient number, since it is larger than the sum of its proper divisors (36634052397019).

133666063262501 is a wasteful number, since it uses less digits than its factorization.

133666063262501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314466 (or 314455 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 133666063262501 in words is "one hundred thirty-three trillion, six hundred sixty-six billion, sixty-three million, two hundred sixty-two thousand, five hundred one".