16772177217071 has 8 divisors (see below), whose sum is σ = 17088789446064. Its totient is φ = 16455570768000.

The previous prime is 16772177217049. The next prime is 16772177217079. The reversal of 16772177217071 is 17071277127761.

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

It is a cyclic number.

It is not a de Polignac number, because 16772177217071 - 2⁴² = 12374130705967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16772177216998 and 16772177217016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772177217079) 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, 4654100 + ... + 7430006.

It is an arithmetic number, because the mean of its divisors is an integer number (2136098680758).

Almost surely, 2^{16772177217071} is an apocalyptic number.

16772177217071 is a deficient number, since it is larger than the sum of its proper divisors (316612228993).

16772177217071 is a wasteful number, since it uses less digits than its factorization.

16772177217071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889961.

The product of its (nonzero) digits is 2823576, while the sum is 56.

The spelling of 16772177217071 in words is "sixteen trillion, seven hundred seventy-two billion, one hundred seventy-seven million, two hundred seventeen thousand, seventy-one".