16055505501 has 32 divisors (see below), whose sum is σ = 24871888896. Its totient is φ = 9023400000.

The previous prime is 16055505493. The next prime is 16055505539. The reversal of 16055505501 is 10550555061.

It is not a de Polignac number, because 16055505501 - 2³ = 16055505493 is a prime.

It is a super-2 number, since 2×16055505501² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16055505701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295206 + ... + 345336.

It is an arithmetic number, because the mean of its divisors is an integer number (777246528).

Almost surely, 2^16055505501 is an apocalyptic number.

It is an amenable number.

16055505501 is a deficient number, since it is larger than the sum of its proper divisors (8816383395).

16055505501 is a wasteful number, since it uses less digits than its factorization.

16055505501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50393.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 16055505501 in words is "sixteen billion, fifty-five million, five hundred five thousand, five hundred one".