16711612061 has 4 divisors (see below), whose sum is σ = 16715311392. Its totient is φ = 16707912732.

The previous prime is 16711612039. The next prime is 16711612069. The reversal of 16711612061 is 16021611761.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16021611761 = 83 ⋅193031467.

It is a cyclic number.

It is not a de Polignac number, because 16711612061 - 2⁶ = 16711611997 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 (16711612069) 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, 1842881 + ... + 1851926.

It is an arithmetic number, because the mean of its divisors is an integer number (4178827848).

Almost surely, 2^16711612061 is an apocalyptic number.

It is an amenable number.

16711612061 is a deficient number, since it is larger than the sum of its proper divisors (3699331).

16711612061 is an equidigital number, since it uses as much as digits as its factorization.

16711612061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699330.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 16711612061 in words is "sixteen billion, seven hundred eleven million, six hundred twelve thousand, sixty-one".