7478730166212 has 60 divisors (see below), whose sum is σ = 19553243042256. Its totient is φ = 2492608483440.

The previous prime is 7478730166207. The next prime is 7478730166217. The reversal of 7478730166212 is 2126610378747.

7478730166212 is a `hidden beast` number, since 7 + 4 + 7 + 8 + 7 + 3 + 0 + 1 + 6 + 621 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (7478730166207) and next prime (7478730166217).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (7478730166217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1294263 + ... + 4078305.

Almost surely, 2^{7478730166212} is an apocalyptic number.

It is an amenable number.

7478730166212 is an abundant number, since it is smaller than the sum of its proper divisors (12074512876044).

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

7478730166212 is a wasteful number, since it uses less digits than its factorization.

7478730166212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792350 (or 2792339 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 7478730166212 in words is "seven trillion, four hundred seventy-eight billion, seven hundred thirty million, one hundred sixty-six thousand, two hundred twelve".