1004465051646 has 16 divisors (see below), whose sum is σ = 2295920118144. Its totient is φ = 286990014744.

The previous prime is 1004465051633. The next prime is 1004465051683. The reversal of 1004465051646 is 6461505644001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 23915834563 = 1004465051646 / (1 + 0 + 0 + 4 + 4 + 6 + 5 + 0 + 5 + 1 + 6 + 4 + 6).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1004465051598 and 1004465051607.

It is a congruent number.

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, 11957917240 + ... + 11957917323.

It is an arithmetic number, because the mean of its divisors is an integer number (143495007384).

Almost surely, 2^{1004465051646} is an apocalyptic number.

1004465051646 is an abundant number, since it is smaller than the sum of its proper divisors (1291455066498).

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

1004465051646 is a wasteful number, since it uses less digits than its factorization.

1004465051646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23915834575.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 1004465051646 in words is "one trillion, four billion, four hundred sixty-five million, fifty-one thousand, six hundred forty-six".