133430101566 has 16 divisors (see below), whose sum is σ = 267729458304. Its totient is φ = 44331824664.

The previous prime is 133430101501. The next prime is 133430101589. The reversal of 133430101566 is 665101034331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36216970 + ... + 36220653.

It is an arithmetic number, because the mean of its divisors is an integer number (16733091144).

Almost surely, 2^133430101566 is an apocalyptic number.

133430101566 is an abundant number, since it is smaller than the sum of its proper divisors (134299356738).

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

133430101566 is a wasteful number, since it uses less digits than its factorization.

133430101566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72437935.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 133430101566 its reverse (665101034331), we get a palindrome (798531135897).

The spelling of 133430101566 in words is "one hundred thirty-three billion, four hundred thirty million, one hundred one thousand, five hundred sixty-six".