16919480577969 has 12 divisors (see below), whose sum is σ = 24444559201296. Its totient is φ = 11277203190552.

The previous prime is 16919480577941. The next prime is 16919480577977. The reversal of 16919480577969 is 96977508491961.

16919480577969 is a `hidden beast` number, since 1 + 6 + 9 + 1 + 9 + 480 + 5 + 7 + 79 + 69 = 666.

It is not a de Polignac number, because 16919480577969 - 2¹⁶ = 16919480512433 is a prime.

It is a super-2 number, since 2×16919480577969² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16919480577569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204166947 + ... + 204249800.

It is an arithmetic number, because the mean of its divisors is an integer number (2037046600108).

Almost surely, 2^{16919480577969} is an apocalyptic number.

It is an amenable number.

16919480577969 is a deficient number, since it is larger than the sum of its proper divisors (7525078623327).

16919480577969 is a wasteful number, since it uses less digits than its factorization.

16919480577969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408421356 (or 408421353 counting only the distinct ones).

The product of its (nonzero) digits is 1851776640, while the sum is 81.

The spelling of 16919480577969 in words is "sixteen trillion, nine hundred nineteen billion, four hundred eighty million, five hundred seventy-seven thousand, nine hundred sixty-nine".