16021602055 has 4 divisors (see below), whose sum is σ = 19225922472. Its totient is φ = 12817281640.

The previous prime is 16021602049. The next prime is 16021602061. The reversal of 16021602055 is 55020612061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55020612061 = 557 ⋅98780273.

It is an interprime number because it is at equal distance from previous prime (16021602049) and next prime (16021602061).

It is a de Polignac number, because none of the positive numbers 2^k-16021602055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602160201 + ... + 1602160210.

It is an arithmetic number, because the mean of its divisors is an integer number (4806480618).

Almost surely, 2^16021602055 is an apocalyptic number.

16021602055 is a deficient number, since it is larger than the sum of its proper divisors (3204320417).

16021602055 is an equidigital number, since it uses as much as digits as its factorization.

16021602055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204320416.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 16021602055 in words is "sixteen billion, twenty-one million, six hundred two thousand, fifty-five".