660496722 has 16 divisors (see below), whose sum is σ = 1337715840. Its totient is φ = 217378512.

The previous prime is 660496717. The next prime is 660496729. The reversal of 660496722 is 227694066.

It is a happy number.

660496722 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 (660496729) 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, 696253 + ... + 697200.

It is an arithmetic number, because the mean of its divisors is an integer number (83607240).

Almost surely, 2^660496722 is an apocalyptic number.

660496722 is an abundant number, since it is smaller than the sum of its proper divisors (677219118).

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

660496722 is a wasteful number, since it uses less digits than its factorization.

660496722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393537.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 660496722 is about 25700.1307778774. The cubic root of 660496722 is about 870.8771362464.

It can be divided in two parts, 66049 and 6722, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 660496722 in words is "six hundred sixty million, four hundred ninety-six thousand, seven hundred twenty-two".