16772270446461 has 16 divisors (see below), whose sum is σ = 22742210272320. Its totient is φ = 10991924603520.

The previous prime is 16772270446391. The next prime is 16772270446511. The reversal of 16772270446461 is 16464407227761.

It is a happy number.

It is not a de Polignac number, because 16772270446461 - 2⁹ = 16772270445949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772270446361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48647121 + ... + 48990681.

It is an arithmetic number, because the mean of its divisors is an integer number (1421388142020).

Almost surely, 2^{16772270446461} is an apocalyptic number.

It is an amenable number.

16772270446461 is a deficient number, since it is larger than the sum of its proper divisors (5969939825859).

16772270446461 is a wasteful number, since it uses less digits than its factorization.

16772270446461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619436.

The product of its (nonzero) digits is 18966528, while the sum is 57.

The spelling of 16772270446461 in words is "sixteen trillion, seven hundred seventy-two billion, two hundred seventy million, four hundred forty-six thousand, four hundred sixty-one".