16770641771 has 8 divisors (see below), whose sum is σ = 18061700160. Its totient is φ = 15479727552.

The previous prime is 16770641747. The next prime is 16770641801. The reversal of 16770641771 is 17714607761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16770641771 is a prime.

It is a super-2 number, since 2×16770641771² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16770641731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410990 + ... + 449948.

It is an arithmetic number, because the mean of its divisors is an integer number (2257712520).

Almost surely, 2^16770641771 is an apocalyptic number.

16770641771 is a deficient number, since it is larger than the sum of its proper divisors (1291058389).

16770641771 is a wasteful number, since it uses less digits than its factorization.

16770641771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72085.

The product of its (nonzero) digits is 345744, while the sum is 47.

The spelling of 16770641771 in words is "sixteen billion, seven hundred seventy million, six hundred forty-one thousand, seven hundred seventy-one".