1630693350668 has 24 divisors (see below), whose sum is σ = 2861784910320. Its totient is φ = 813042236160.

The previous prime is 1630693350661. The next prime is 1630693350707. The reversal of 1630693350668 is 8660533960361.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1630693350661) 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, 3609680 + ... + 4036232.

It is an arithmetic number, because the mean of its divisors is an integer number (119241037930).

Almost surely, 2^{1630693350668} is an apocalyptic number.

It is an amenable number.

1630693350668 is a deficient number, since it is larger than the sum of its proper divisors (1231091559652).

1630693350668 is a wasteful number, since it uses less digits than its factorization.

1630693350668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429257 (or 429255 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 56.

The spelling of 1630693350668 in words is "one trillion, six hundred thirty billion, six hundred ninety-three million, three hundred fifty thousand, six hundred sixty-eight".