1650641040160 has 72 divisors (see below), whose sum is σ = 4536315308700. Its totient is φ = 565934068224.

The previous prime is 1650641040151. The next prime is 1650641040187. The reversal of 1650641040160 is 610401460561.

It can be written as a sum of positive squares in 2 ways, for example, as 1510726141456 + 139914898704 = 1229116^2 + 374052^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105262635 + ... + 105278314.

Almost surely, 2^{1650641040160} is an apocalyptic number.

1650641040160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1650641040160 is an abundant number, since it is smaller than the sum of its proper divisors (2885674268540).

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

1650641040160 is a wasteful number, since it uses less digits than its factorization.

1650641040160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210540978 (or 210540963 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 1650641040160 in words is "one trillion, six hundred fifty billion, six hundred forty-one million, forty thousand, one hundred sixty".