16694955480 has 512 divisors, whose sum is σ = 61548595200. Its totient is φ = 3542482944.

The previous prime is 16694955479. The next prime is 16694955527. The reversal of 16694955480 is 8455949661.

It is a self number, because there is not a number n which added to its sum of digits gives 16694955480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 86502264 + ... + 86502456.

It is an arithmetic number, because the mean of its divisors is an integer number (120212100).

Almost surely, 2^16694955480 is an apocalyptic number.

16694955480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16694955480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30774297600).

16694955480 is an abundant number, since it is smaller than the sum of its proper divisors (44853639720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16694955480 is a wasteful number, since it uses less digits than its factorization.

16694955480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 16694955480 in words is "sixteen billion, six hundred ninety-four million, nine hundred fifty-five thousand, four hundred eighty".