1685015486648 has 32 divisors (see below), whose sum is σ = 3450356753760. Its totient is φ = 766745938560.

The previous prime is 1685015486641. The next prime is 1685015486747. The reversal of 1685015486648 is 8466845105861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685015486641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114091715 + ... + 114106482.

It is an arithmetic number, because the mean of its divisors is an integer number (107823648555).

Almost surely, 2^{1685015486648} is an apocalyptic number.

It is an amenable number.

1685015486648 is an abundant number, since it is smaller than the sum of its proper divisors (1765341267112).

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

1685015486648 is a wasteful number, since it uses less digits than its factorization.

1685015486648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228198287 (or 228198283 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 62.

The spelling of 1685015486648 in words is "one trillion, six hundred eighty-five billion, fifteen million, four hundred eighty-six thousand, six hundred forty-eight".