60660144 has 40 divisors (see below), whose sum is σ = 174118320. Its totient is φ = 20219904.

The previous prime is 60660133. The next prime is 60660151. The reversal of 60660144 is 44106606.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69777 + ... + 70640.

It is an arithmetic number, because the mean of its divisors is an integer number (4352958).

Almost surely, 2^60660144 is an apocalyptic number.

It is an amenable number.

60660144 is an abundant number, since it is smaller than the sum of its proper divisors (113458176).

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

60660144 is a wasteful number, since it uses less digits than its factorization.

60660144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140434 (or 140422 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 60660144 is about 7788.4622358974. The cubic root of 60660144 is about 392.9172951073.

The spelling of 60660144 in words is "sixty million, six hundred sixty thousand, one hundred forty-four".