660155555002 has 16 divisors (see below), whose sum is σ = 1053751118400. Its totient is φ = 309100321728.

The previous prime is 660155554997. The next prime is 660155555011. The reversal of 660155555002 is 200555551066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48778008 + ... + 48791539.

It is an arithmetic number, because the mean of its divisors is an integer number (65859444900).

Almost surely, 2^660155555002 is an apocalyptic number.

660155555002 is a deficient number, since it is larger than the sum of its proper divisors (393595563398).

660155555002 is a wasteful number, since it uses less digits than its factorization.

660155555002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97569765.

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 660155555002 in words is "six hundred sixty billion, one hundred fifty-five million, five hundred fifty-five thousand, two".