16769880 has 96 divisors (see below), whose sum is σ = 56019600. Its totient is φ = 4347648.

The previous prime is 16769873. The next prime is 16769881. The reversal of 16769880 is 8896761.

It is a happy number.

It is a super-5 number, since 5×16769880⁵ (a number of 37 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16769881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12691 + ... + 13949.

Almost surely, 2^16769880 is an apocalyptic number.

16769880 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 16769880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28009800).

16769880 is an abundant number, since it is smaller than the sum of its proper divisors (39249720).

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

16769880 is a wasteful number, since it uses less digits than its factorization.

16769880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 16769880 is about 4095.1043942737. The cubic root of 16769880 is about 255.9626817347.

The spelling of 16769880 in words is "sixteen million, seven hundred sixty-nine thousand, eight hundred eighty".