660243151545 has 16 divisors (see below), whose sum is σ = 1111988466240. Its totient is φ = 333596539584.

The previous prime is 660243151511. The next prime is 660243151567. The reversal of 660243151545 is 545151342066.

It is not a de Polignac number, because 660243151545 - 2¹⁰ = 660243150521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 660243151497 and 660243151506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158321034 + ... + 1158321603.

It is an arithmetic number, because the mean of its divisors is an integer number (69499279140).

Almost surely, 2^660243151545 is an apocalyptic number.

It is an amenable number.

660243151545 is a deficient number, since it is larger than the sum of its proper divisors (451745314695).

660243151545 is a wasteful number, since it uses less digits than its factorization.

660243151545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316642664.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 660243151545 in words is "six hundred sixty billion, two hundred forty-three million, one hundred fifty-one thousand, five hundred forty-five".