1016780554626 has 16 divisors (see below), whose sum is σ = 2044921788000. Its totient is φ = 337033405088.

The previous prime is 1016780554583. The next prime is 1016780554631. The reversal of 1016780554626 is 6264550876101.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473360451 + ... + 473362598.

It is an arithmetic number, because the mean of its divisors is an integer number (127807611750).

Almost surely, 2^{1016780554626} is an apocalyptic number.

1016780554626 is an abundant number, since it is smaller than the sum of its proper divisors (1028141233374).

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

1016780554626 is a wasteful number, since it uses less digits than its factorization.

1016780554626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946723233.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 1016780554626 in words is "one trillion, sixteen billion, seven hundred eighty million, five hundred fifty-four thousand, six hundred twenty-six".