1404552166605 has 40 divisors (see below), whose sum is σ = 2877474074112. Its totient is φ = 642080989152.

The previous prime is 1404552166573. The next prime is 1404552166609. The reversal of 1404552166605 is 5066612554041.

It is not a de Polignac number, because 1404552166605 - 2⁵ = 1404552166573 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404552166609) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 247713597 + ... + 247719266.

Almost surely, 2^{1404552166605} is an apocalyptic number.

1404552166605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1404552166605 is an abundant number, since it is smaller than the sum of its proper divisors (1472921907507).

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

1404552166605 is an equidigital number, since it uses as much as digits as its factorization.

1404552166605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495432887 (or 495432878 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 1404552166605 in words is "one trillion, four hundred four billion, five hundred fifty-two million, one hundred sixty-six thousand, six hundred five".