16811064 has 40 divisors (see below), whose sum is σ = 47088360. Its totient is φ = 5603472.

The previous prime is 16811063. The next prime is 16811071. The reversal of 16811064 is 46011861.

It is a super-2 number, since 2×16811064² = 565223745624192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16811063) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12324 + ... + 13619.

It is an arithmetic number, because the mean of its divisors is an integer number (1177209).

Almost surely, 2^16811064 is an apocalyptic number.

It is an amenable number.

16811064 is an abundant number, since it is smaller than the sum of its proper divisors (30277296).

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

16811064 is a wasteful number, since it uses less digits than its factorization.

16811064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25961 (or 25948 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 16811064 is about 4100.1297540444. The cubic root of 16811064 is about 256.1720441829.

The spelling of 16811064 in words is "sixteen million, eight hundred eleven thousand, sixty-four".