660152763 has 6 divisors (see below), whose sum is σ = 953554004. Its totient is φ = 440101836.

The previous prime is 660152761. The next prime is 660152807. The reversal of 660152763 is 367251066.

It is not a de Polignac number, because 660152763 - 2¹ = 660152761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660152761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36675145 + ... + 36675162.

Almost surely, 2^660152763 is an apocalyptic number.

660152763 is a deficient number, since it is larger than the sum of its proper divisors (293401241).

660152763 is a wasteful number, since it uses less digits than its factorization.

660152763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73350313 (or 73350310 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 660152763 is about 25693.4381311649. The cubic root of 660152763 is about 870.7259378978.

The spelling of 660152763 in words is "six hundred sixty million, one hundred fifty-two thousand, seven hundred sixty-three".