104451261360165 has 48 divisors (see below), whose sum is σ = 182465717730816. Its totient is φ = 55272408048000.

The previous prime is 104451261360143. The next prime is 104451261360167. The reversal of 104451261360165 is 561063162154401.

104451261360165 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 5 + 1 + 26 + 13 + 601 + 6 + 5 = 666.

It is not a de Polignac number, because 104451261360165 - 2¹⁹ = 104451260835877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 104451261360165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104451261360167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5815861 + ... + 15579690.

It is an arithmetic number, because the mean of its divisors is an integer number (3801369119392).

Almost surely, 2^{104451261360165} is an apocalyptic number.

104451261360165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104451261360165 is a deficient number, since it is larger than the sum of its proper divisors (78014456370651).

104451261360165 is a wasteful number, since it uses less digits than its factorization.

104451261360165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21396410 (or 21396407 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 104451261360165 in words is "one hundred four trillion, four hundred fifty-one billion, two hundred sixty-one million, three hundred sixty thousand, one hundred sixty-five".