1046631434661 has 12 divisors (see below), whose sum is σ = 1513798066092. Its totient is φ = 696832549056.

The previous prime is 1046631434623. The next prime is 1046631434777. The reversal of 1046631434661 is 1664341366401.

1046631434661 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 631 + 4 + 3 + 4 + 6 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 235388958561 + 811242476100 = 485169^2 + 900690^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1046631434661 is a prime.

It is a super-2 number, since 2×1046631434661² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046631434461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76804536 + ... + 76818161.

It is an arithmetic number, because the mean of its divisors is an integer number (126149838841).

Almost surely, 2^{1046631434661} is an apocalyptic number.

It is an amenable number.

1046631434661 is a deficient number, since it is larger than the sum of its proper divisors (467166631431).

1046631434661 is a wasteful number, since it uses less digits than its factorization.

1046631434661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153623460 (or 153623457 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 1046631434661 in words is "one trillion, forty-six billion, six hundred thirty-one million, four hundred thirty-four thousand, six hundred sixty-one".