1651460663552 has 216 divisors, whose sum is σ = 3925825606080. Its totient is φ = 691113185280.

The previous prime is 1651460663543. The next prime is 1651460663591. The reversal of 1651460663552 is 2553660641561.

It is a super-2 number, since 2×1651460663552² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1651460663552.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106352813 + ... + 106368339.

Almost surely, 2^{1651460663552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1651460663552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962912803040).

1651460663552 is an abundant number, since it is smaller than the sum of its proper divisors (2274364942528).

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

1651460663552 is a wasteful number, since it uses less digits than its factorization.

1651460663552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15757 (or 15736 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 1651460663552 in words is "one trillion, six hundred fifty-one billion, four hundred sixty million, six hundred sixty-three thousand, five hundred fifty-two".