1046631665550 has 24 divisors (see below), whose sum is σ = 2595646530936. Its totient is φ = 279101777440.

The previous prime is 1046631665549. The next prime is 1046631665551. The reversal of 1046631665550 is 555661366401.

It is an interprime number because it is at equal distance from previous prime (1046631665549) and next prime (1046631665551).

It is a self number, because there is not a number n which added to its sum of digits gives 1046631665550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046631665551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3488772069 + ... + 3488772368.

It is an arithmetic number, because the mean of its divisors is an integer number (108151938789).

Almost surely, 2^{1046631665550} is an apocalyptic number.

1046631665550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1046631665550 is an abundant number, since it is smaller than the sum of its proper divisors (1549014865386).

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

1046631665550 is a wasteful number, since it uses less digits than its factorization.

1046631665550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977544452 (or 6977544447 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 1046631665550 in words is "one trillion, forty-six billion, six hundred thirty-one million, six hundred sixty-five thousand, five hundred fifty".