1553206116426 has 8 divisors (see below), whose sum is σ = 3106412232864. Its totient is φ = 517735372140.

The previous prime is 1553206116421. The next prime is 1553206116437. The reversal of 1553206116426 is 6246116023551.

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

1553206116426 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1553206116421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129433843030 + ... + 129433843041.

It is an arithmetic number, because the mean of its divisors is an integer number (388301529108).

Almost surely, 2^{1553206116426} is an apocalyptic number.

1553206116426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1553206116426 is a wasteful number, since it uses less digits than its factorization.

1553206116426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258867686076.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 1553206116426 in words is "one trillion, five hundred fifty-three billion, two hundred six million, one hundred sixteen thousand, four hundred twenty-six".