16055501 has 8 divisors (see below), whose sum is σ = 20017344. Its totient is φ = 12510720.

The previous prime is 16055471. The next prime is 16055503. The reversal of 16055501 is 10555061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16055501 - 2²² = 11861197 is a prime.

It is a super-2 number, since 2×16055501² = 515558224722002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16055503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104180 + ... + 104333.

It is an arithmetic number, because the mean of its divisors is an integer number (2502168).

Almost surely, 2^16055501 is an apocalyptic number.

16055501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16055501 is a deficient number, since it is larger than the sum of its proper divisors (3961843).

16055501 is a wasteful number, since it uses less digits than its factorization.

16055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208531.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 16055501 is about 4006.9316190821. The cubic root of 16055501 is about 252.2752357258.

The spelling of 16055501 in words is "sixteen million, fifty-five thousand, five hundred one".