1046632640553 has 24 divisors (see below), whose sum is σ = 1536648713600. Its totient is φ = 686379813984.

The previous prime is 1046632640549. The next prime is 1046632640591. The reversal of 1046632640553 is 3550462366401.

1046632640553 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 6 + 32 + 64 + 0 + 553 = 666.

It is not a de Polignac number, because 1046632640553 - 2² = 1046632640549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1046632640499 and 1046632640508.

It is not an unprimeable number, because it can be changed into a prime (1046632640353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3701425 + ... + 3974142.

Almost surely, 2^{1046632640553} is an apocalyptic number.

It is an amenable number.

1046632640553 is a deficient number, since it is larger than the sum of its proper divisors (490016073047).

1046632640553 is a wasteful number, since it uses less digits than its factorization.

1046632640553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675821 (or 7675818 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 1046632640553 in words is "one trillion, forty-six billion, six hundred thirty-two million, six hundred forty thousand, five hundred fifty-three".