66132439325770 has 32 divisors (see below), whose sum is σ = 119274330778560. Its totient is φ = 26400585519360.

The previous prime is 66132439325759. The next prime is 66132439325831. The reversal of 66132439325770 is 7752393423166.

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, 10387561 + ... + 15497299.

It is an arithmetic number, because the mean of its divisors is an integer number (3727322836830).

Almost surely, 2^{66132439325770} is an apocalyptic number.

66132439325770 is a deficient number, since it is larger than the sum of its proper divisors (53141891452790).

66132439325770 is a wasteful number, since it uses less digits than its factorization.

66132439325770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112310.

The product of its (nonzero) digits is 34292160, while the sum is 58.

The spelling of 66132439325770 in words is "sixty-six trillion, one hundred thirty-two billion, four hundred thirty-nine million, three hundred twenty-five thousand, seven hundred seventy".