1478074414661 has 32 divisors (see below), whose sum is σ = 1641328136448. Its totient is φ = 1322201802240.

The previous prime is 1478074414603. The next prime is 1478074414673. The reversal of 1478074414661 is 1664144708741.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1478074414661 - 2³⁰ = 1477000672837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478074414601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243381521 + ... + 243387593.

It is an arithmetic number, because the mean of its divisors is an integer number (51291504264).

Almost surely, 2^{1478074414661} is an apocalyptic number.

It is an amenable number.

1478074414661 is a deficient number, since it is larger than the sum of its proper divisors (163253721787).

1478074414661 is a wasteful number, since it uses less digits than its factorization.

1478074414661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 1478074414661 in words is "one trillion, four hundred seventy-eight billion, seventy-four million, four hundred fourteen thousand, six hundred sixty-one".