16006157771 has 4 divisors (see below), whose sum is σ = 16009899192. Its totient is φ = 16002416352.

The previous prime is 16006157749. The next prime is 16006157773. The reversal of 16006157771 is 17775160061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16006157771 - 2¹⁴ = 16006141387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16006157773) 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, 1864286 + ... + 1872851.

It is an arithmetic number, because the mean of its divisors is an integer number (4002474798).

Almost surely, 2^16006157771 is an apocalyptic number.

16006157771 is a deficient number, since it is larger than the sum of its proper divisors (3741421).

16006157771 is an equidigital number, since it uses as much as digits as its factorization.

16006157771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741420.

The product of its (nonzero) digits is 61740, while the sum is 41.

The spelling of 16006157771 in words is "sixteen billion, six million, one hundred fifty-seven thousand, seven hundred seventy-one".