16201071628550 has 24 divisors (see below), whose sum is σ = 31719992874600. Its totient is φ = 6139353458880.

The previous prime is 16201071628549. The next prime is 16201071628583. The reversal of 16201071628550 is 5582617010261.

It is a super-3 number, since 3×16201071628550³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8526878855 + ... + 8526880754.

It is an arithmetic number, because the mean of its divisors is an integer number (1321666369775).

Almost surely, 2^{16201071628550} is an apocalyptic number.

16201071628550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16201071628550 is a deficient number, since it is larger than the sum of its proper divisors (15518921246050).

16201071628550 is a wasteful number, since it uses less digits than its factorization.

16201071628550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17053759640 (or 17053759635 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 16201071628550 in words is "sixteen trillion, two hundred one billion, seventy-one million, six hundred twenty-eight thousand, five hundred fifty".