2066039157648 has 20 divisors (see below), whose sum is σ = 5337267824048. Its totient is φ = 688679719200.

The previous prime is 2066039157643. The next prime is 2066039157673. The reversal of 2066039157648 is 8467519306602.

It is not an unprimeable number, because it can be changed into a prime (2066039157643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21521241178 + ... + 21521241273.

It is a 2-persistent number, because it is pandigital, and so is 2⋅2066039157648 = 4132078315296, but 3⋅2066039157648 = 6198117472944 is not.

Almost surely, 2^{2066039157648} is an apocalyptic number.

It is an amenable number.

2066039157648 is an abundant number, since it is smaller than the sum of its proper divisors (3271228666400).

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

2066039157648 is a wasteful number, since it uses less digits than its factorization.

2066039157648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43042482462 (or 43042482456 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 2066039157648 in words is "two trillion, sixty-six billion, thirty-nine million, one hundred fifty-seven thousand, six hundred forty-eight".