1616808880906 has 16 divisors (see below), whose sum is σ = 2448959404320. Its totient is φ = 800515509040.

The previous prime is 1616808880901. The next prime is 1616808880913. The reversal of 1616808880906 is 6090888086161.

It is a super-2 number, since 2×1616808880906² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616808880901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6484741 + ... + 6729448.

It is an arithmetic number, because the mean of its divisors is an integer number (153059962770).

Almost surely, 2^{1616808880906} is an apocalyptic number.

1616808880906 is a deficient number, since it is larger than the sum of its proper divisors (832150523414).

1616808880906 is a wasteful number, since it uses less digits than its factorization.

1616808880906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13214789.

The product of its (nonzero) digits is 7962624, while the sum is 61.

The spelling of 1616808880906 in words is "one trillion, six hundred sixteen billion, eight hundred eight million, eight hundred eighty thousand, nine hundred six".