16040930 has 8 divisors (see below), whose sum is σ = 28873692. Its totient is φ = 6416368.

The previous prime is 16040923. The next prime is 16040951. The reversal of 16040930 is 3904061.

It can be written as a sum of positive squares in 2 ways, for example, as 15155449 + 885481 = 3893^2 + 941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16040930² = 514622870529800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16040896 and 16040905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802037 + ... + 802056.

Almost surely, 2^16040930 is an apocalyptic number.

16040930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16040930 is a deficient number, since it is larger than the sum of its proper divisors (12832762).

16040930 is a wasteful number, since it uses less digits than its factorization.

16040930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604100.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 16040930 is about 4005.1129821767. The cubic root of 16040930 is about 252.1988960540.

Adding to 16040930 its reverse (3904061), we get a palindrome (19944991).

The spelling of 16040930 in words is "sixteen million, forty thousand, nine hundred thirty".