1630143266544 has 60 divisors (see below), whose sum is σ = 4913070683976. Its totient is φ = 501582542976.

The previous prime is 1630143266539. The next prime is 1630143266561. The reversal of 1630143266544 is 4456623410361.

1630143266544 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 1 + 43 + 2 + 66 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1630143266544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435399642 + ... + 435403385.

Almost surely, 2^{1630143266544} is an apocalyptic number.

It is an amenable number.

1630143266544 is an abundant number, since it is smaller than the sum of its proper divisors (3282927417432).

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

1630143266544 is a wasteful number, since it uses less digits than its factorization.

1630143266544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870803054 (or 870803045 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 1630143266544 in words is "one trillion, six hundred thirty billion, one hundred forty-three million, two hundred sixty-six thousand, five hundred forty-four".