660350634751 has 8 divisors (see below), whose sum is σ = 666213233904. Its totient is φ = 654488365440.

The previous prime is 660350634743. The next prime is 660350634799. The reversal of 660350634751 is 157436053066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 660350634751 - 2³ = 660350634743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660350634451) 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, 5778396 + ... + 5891566.

It is an arithmetic number, because the mean of its divisors is an integer number (83276654238).

Almost surely, 2^660350634751 is an apocalyptic number.

660350634751 is a deficient number, since it is larger than the sum of its proper divisors (5862599153).

660350634751 is a wasteful number, since it uses less digits than its factorization.

660350634751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164921.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 660350634751 in words is "six hundred sixty billion, three hundred fifty million, six hundred thirty-four thousand, seven hundred fifty-one".