60220664 has 72 divisors (see below), whose sum is σ = 139365720. Its totient is φ = 23892480.

The previous prime is 60220639. The next prime is 60220687. The reversal of 60220664 is 46602206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 987194 + ... + 987254.

It is an arithmetic number, because the mean of its divisors is an integer number (1935635).

Almost surely, 2^60220664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60220664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69682860).

60220664 is an abundant number, since it is smaller than the sum of its proper divisors (79145056).

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

60220664 is a wasteful number, since it uses less digits than its factorization.

60220664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 60220664 is about 7760.1974201692. The cubic root of 60220664 is about 391.9661049410.

The spelling of 60220664 in words is "sixty million, two hundred twenty thousand, six hundred sixty-four".