626166612120553 has 8 divisors (see below), whose sum is σ = 715722443335872. Its totient is φ = 536636645419056.

The previous prime is 626166612120473. The next prime is 626166612120559. The reversal of 626166612120553 is 355021216661626.

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

It is a de Polignac number, because none of the positive numbers 2^k-626166612120553 is a prime.

It is a super-2 number, since 2×626166612120553² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 626166612120553.

It is not an unprimeable number, because it can be changed into a prime (626166612120559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6466076575 + ... + 6466173412.

It is an arithmetic number, because the mean of its divisors is an integer number (89465305416984).

Almost surely, 2^{626166612120553} is an apocalyptic number.

It is an amenable number.

626166612120553 is a deficient number, since it is larger than the sum of its proper divisors (89555831215319).

626166612120553 is a wasteful number, since it uses less digits than its factorization.

626166612120553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12932256911.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 626166612120553 in words is "six hundred twenty-six trillion, one hundred sixty-six billion, six hundred twelve million, one hundred twenty thousand, five hundred fifty-three".