16140628 has 24 divisors (see below), whose sum is σ = 32421312. Its totient is φ = 6887424.

The previous prime is 16140613. The next prime is 16140637. The reversal of 16140628 is 82604161.

16140628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 16140596 and 16140605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6075 + ... + 8317.

It is an arithmetic number, because the mean of its divisors is an integer number (1350888).

Almost surely, 2^16140628 is an apocalyptic number.

It is an amenable number.

16140628 is an abundant number, since it is smaller than the sum of its proper divisors (16280684).

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

16140628 is a wasteful number, since it uses less digits than its factorization.

16140628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 16140628 is about 4017.5400433599. The cubic root of 16140628 is about 252.7203083278.

Adding to 16140628 its reverse (82604161), we get a palindrome (98744789).

The spelling of 16140628 in words is "sixteen million, one hundred forty thousand, six hundred twenty-eight".