660236442 has 16 divisors (see below), whose sum is σ = 1320876480. Its totient is φ = 220011552.

The previous prime is 660236431. The next prime is 660236449. The reversal of 660236442 is 244632066.

660236442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (660236449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7059 + ... + 37017.

It is an arithmetic number, because the mean of its divisors is an integer number (82554780).

Almost surely, 2^660236442 is an apocalyptic number.

660236442 is an abundant number, since it is smaller than the sum of its proper divisors (660640038).

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

660236442 is a wasteful number, since it uses less digits than its factorization.

660236442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33637.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 660236442 is about 25695.0664914493. The cubic root of 660236442 is about 870.7627265531.

The spelling of 660236442 in words is "six hundred sixty million, two hundred thirty-six thousand, four hundred forty-two".