66403614336160 has 96 divisors (see below), whose sum is σ = 163175315111424. Its totient is φ = 25508406144000.

The previous prime is 66403614336127. The next prime is 66403614336203. The reversal of 66403614336160 is 6163341630466.

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, 50448811 + ... + 51748330.

It is an arithmetic number, because the mean of its divisors is an integer number (1699742865744).

Almost surely, 2^{66403614336160} is an apocalyptic number.

It is an amenable number.

66403614336160 is an abundant number, since it is smaller than the sum of its proper divisors (96771700775264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66403614336160 is a wasteful number, since it uses less digits than its factorization.

66403614336160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102197318 (or 102197310 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 49.

The spelling of 66403614336160 in words is "sixty-six trillion, four hundred three billion, six hundred fourteen million, three hundred thirty-six thousand, one hundred sixty".