1630406653434 has 96 divisors (see below), whose sum is σ = 3927672612864. Its totient is φ = 485397861120.

The previous prime is 1630406653397. The next prime is 1630406653439. The reversal of 1630406653434 is 4343566040361.

1630406653434 is a `hidden beast` number, since 1 + 630 + 4 + 0 + 6 + 6 + 5 + 3 + 4 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1630406653434.

It is not an unprimeable number, because it can be changed into a prime (1630406653439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52162399 + ... + 52193645.

It is an arithmetic number, because the mean of its divisors is an integer number (40913256384).

Almost surely, 2^{1630406653434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630406653434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963836306432).

1630406653434 is an abundant number, since it is smaller than the sum of its proper divisors (2297265959430).

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

1630406653434 is a wasteful number, since it uses less digits than its factorization.

1630406653434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38492 (or 38489 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 1630406653434 in words is "one trillion, six hundred thirty billion, four hundred six million, six hundred fifty-three thousand, four hundred thirty-four".