66632104027016 has 16 divisors (see below), whose sum is σ = 136292940055440. Its totient is φ = 30287320012240.

The previous prime is 66632104026977. The next prime is 66632104027061. The reversal of 66632104027016 is 61072040123666.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378591500066 + ... + 378591500241.

It is an arithmetic number, because the mean of its divisors is an integer number (8518308753465).

Almost surely, 2^{66632104027016} is an apocalyptic number.

It is an amenable number.

66632104027016 is an abundant number, since it is smaller than the sum of its proper divisors (69660836028424).

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

66632104027016 is a wasteful number, since it uses less digits than its factorization.

66632104027016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757183000324 (or 757183000320 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 66632104027016 in words is "sixty-six trillion, six hundred thirty-two billion, one hundred four million, twenty-seven thousand, sixteen".