1631646351052 has 24 divisors (see below), whose sum is σ = 2889166628880. Its totient is φ = 806180981760.

The previous prime is 1631646351047. The next prime is 1631646351061. The reversal of 1631646351052 is 2501536461361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746274 + ... + 1954537.

It is an arithmetic number, because the mean of its divisors is an integer number (120381942870).

Almost surely, 2^{1631646351052} is an apocalyptic number.

It is an amenable number.

1631646351052 is a deficient number, since it is larger than the sum of its proper divisors (1257520277828).

1631646351052 is a wasteful number, since it uses less digits than its factorization.

1631646351052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702601 (or 2702599 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 1631646351052 in words is "one trillion, six hundred thirty-one billion, six hundred forty-six million, three hundred fifty-one thousand, fifty-two".