1660060651650 has 48 divisors (see below), whose sum is σ = 4144215044928. Its totient is φ = 439751160000.

The previous prime is 1660060651649. The next prime is 1660060651703. The reversal of 1660060651650 is 561560600661.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36623281 + ... + 36668580.

It is an arithmetic number, because the mean of its divisors is an integer number (86337813436).

Almost surely, 2^{1660060651650} is an apocalyptic number.

1660060651650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1660060651650 is an abundant number, since it is smaller than the sum of its proper divisors (2484154393278).

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

1660060651650 is a wasteful number, since it uses less digits than its factorization.

1660060651650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73292027 (or 73292022 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 1660060651650 in words is "one trillion, six hundred sixty billion, sixty million, six hundred fifty-one thousand, six hundred fifty".