7481664720180 has 96 divisors (see below), whose sum is σ = 26601474574080. Its totient is φ = 1710094792320.

The previous prime is 7481664720137. The next prime is 7481664720197. The reversal of 7481664720180 is 810274661847.

7481664720180 is a `hidden beast` number, since 7 + 4 + 8 + 166 + 472 + 0 + 1 + 8 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 989634411 + ... + 989641970.

It is an arithmetic number, because the mean of its divisors is an integer number (277098693480).

Almost surely, 2^{7481664720180} is an apocalyptic number.

7481664720180 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7481664720180 is an abundant number, since it is smaller than the sum of its proper divisors (19119809853900).

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

7481664720180 is a wasteful number, since it uses less digits than its factorization.

7481664720180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979276406 (or 1979276398 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 7481664720180 in words is "seven trillion, four hundred eighty-one billion, six hundred sixty-four million, seven hundred twenty thousand, one hundred eighty".