16020202061 has 4 divisors (see below), whose sum is σ = 16361057472. Its totient is φ = 15679346652.

The previous prime is 16020202057. The next prime is 16020202073.

It is a happy number.

16020202061 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16020202061 - 2² = 16020202057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16020202001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170427635 + ... + 170427728.

It is an arithmetic number, because the mean of its divisors is an integer number (4090264368).

Almost surely, 2^16020202061 is an apocalyptic number.

It is an amenable number.

16020202061 is a deficient number, since it is larger than the sum of its proper divisors (340855411).

16020202061 is an equidigital number, since it uses as much as digits as its factorization.

16020202061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340855410.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 16020202061 in words is "sixteen billion, twenty million, two hundred two thousand, sixty-one".