60994321920 has 1680 divisors, whose sum is σ = 275330547360. Its totient is φ = 12875563008.

The previous prime is 60994321909. The next prime is 60994321991. The reversal of 60994321920 is 2912349906.

It is a happy number.

60994321920 is a `hidden beast` number, since 609 + 9 + 4 + 3 + 2 + 19 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

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

It is a congruent number.

It is an unprimeable number.

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 167 ways as a sum of consecutive naturals, for example, 2103252466 + ... + 2103252494.

Almost surely, 2^60994321920 is an apocalyptic number.

60994321920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60994321920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137665273680).

60994321920 is an abundant number, since it is smaller than the sum of its proper divisors (214336225440).

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

60994321920 is an equidigital number, since it uses as much as digits as its factorization.

60994321920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 60994321920 in words is "sixty billion, nine hundred ninety-four million, three hundred twenty-one thousand, nine hundred twenty".