133172962550 has 24 divisors (see below), whose sum is σ = 248985156936. Its totient is φ = 52993175040.

The previous prime is 133172962541. The next prime is 133172962597. The reversal of 133172962550 is 55269271331.

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 11 ways as a sum of consecutive naturals, for example, 6890504 + ... + 6909803.

It is an arithmetic number, because the mean of its divisors is an integer number (10374381539).

Almost surely, 2^133172962550 is an apocalyptic number.

133172962550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133172962550 is a deficient number, since it is larger than the sum of its proper divisors (115812194386).

133172962550 is a wasteful number, since it uses less digits than its factorization.

133172962550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13800512 (or 13800507 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 133172962550 in words is "one hundred thirty-three billion, one hundred seventy-two million, nine hundred sixty-two thousand, five hundred fifty".