60221291520 has 352 divisors, whose sum is σ = 208648581120. Its totient is φ = 14736752640.

The previous prime is 60221291497. The next prime is 60221291531. The reversal of 60221291520 is 2519212206.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 38138091 + ... + 38139669.

Almost surely, 2^60221291520 is an apocalyptic number.

60221291520 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 60221291520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104324290560).

60221291520 is an abundant number, since it is smaller than the sum of its proper divisors (148427289600).

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

60221291520 is a wasteful number, since it uses less digits than its factorization.

60221291520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 60221291520 in words is "sixty billion, two hundred twenty-one million, two hundred ninety-one thousand, five hundred twenty".