1478146813668 has 48 divisors (see below), whose sum is σ = 4379694264960. Its totient is φ = 422327660832.

The previous prime is 1478146813657. The next prime is 1478146813753. The reversal of 1478146813668 is 8663186418741.

1478146813668 is a `hidden beast` number, since 1 + 4 + 7 + 81 + 468 + 1 + 36 + 68 = 666.

It is a super-2 number, since 2×1478146813668² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977609571 + ... + 977611082.

It is an arithmetic number, because the mean of its divisors is an integer number (91243630520).

Almost surely, 2^{1478146813668} is an apocalyptic number.

1478146813668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1478146813668 is an abundant number, since it is smaller than the sum of its proper divisors (2901547451292).

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

1478146813668 is a wasteful number, since it uses less digits than its factorization.

1478146813668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955220673 (or 1955220665 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The spelling of 1478146813668 in words is "one trillion, four hundred seventy-eight billion, one hundred forty-six million, eight hundred thirteen thousand, six hundred sixty-eight".