1616140026 has 48 divisors (see below), whose sum is σ = 3708641664. Its totient is φ = 527243904.

The previous prime is 1616140021. The next prime is 1616140033. The reversal of 1616140026 is 6200416161.

1616140026 is a `hidden beast` number, since 1 + 616 + 1 + 40 + 0 + 2 + 6 = 666.

It is a super-2 number, since 2×1616140026² = 5223817167278561352, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1616140021) 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, 12535 + ... + 58218.

It is an arithmetic number, because the mean of its divisors is an integer number (77263368).

Almost surely, 2^1616140026 is an apocalyptic number.

1616140026 is an abundant number, since it is smaller than the sum of its proper divisors (2092501638).

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

1616140026 is an equidigital number, since it uses as much as digits as its factorization.

1616140026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70817 (or 70805 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1616140026 is about 40201.2440852270. The cubic root of 1616140026 is about 1173.5267549983.

Adding to 1616140026 its reverse (6200416161), we get a palindrome (7816556187).

The spelling of 1616140026 in words is "one billion, six hundred sixteen million, one hundred forty thousand, twenty-six".