916412256605403 has 8 divisors (see below), whose sum is σ = 1357647787563600. Its totient is φ = 610941504403584.

The previous prime is 916412256605399. The next prime is 916412256605471. The reversal of 916412256605403 is 304506652214619.

916412256605403 is a `hidden beast` number, since 9 + 1 + 6 + 4 + 1 + 2 + 25 + 6 + 605 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 916412256605403 - 2² = 916412256605399 is a prime.

It is a super-2 number, since 2×916412256605403² (a number of 31 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 916412256605403.

It is not an unprimeable number, because it can be changed into a prime (916412256605303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16970597344518 + ... + 16970597344571.

It is an arithmetic number, because the mean of its divisors is an integer number (169705973445450).

Almost surely, 2^{916412256605403} is an apocalyptic number.

916412256605403 is a deficient number, since it is larger than the sum of its proper divisors (441235530958197).

916412256605403 is a wasteful number, since it uses less digits than its factorization.

916412256605403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33941194689098 (or 33941194689092 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 916412256605403 in words is "nine hundred sixteen trillion, four hundred twelve billion, two hundred fifty-six million, six hundred five thousand, four hundred three".