1630142064 has 40 divisors (see below), whose sum is σ = 4679112720. Its totient is φ = 543380544.

The previous prime is 1630142051. The next prime is 1630142119. The reversal of 1630142064 is 4602410361.

1630142064 is a `hidden beast` number, since 1 + 630 + 1 + 4 + 20 + 6 + 4 = 666.

1630142064 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 1886307 + ... + 1887170.

It is an arithmetic number, because the mean of its divisors is an integer number (116977818).

Almost surely, 2^1630142064 is an apocalyptic number.

It is an amenable number.

1630142064 is an abundant number, since it is smaller than the sum of its proper divisors (3048970656).

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

1630142064 is a wasteful number, since it uses less digits than its factorization.

1630142064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773494 (or 3773482 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1630142064 is about 40375.0178204295. The cubic root of 1630142064 is about 1176.9061113220.

The spelling of 1630142064 in words is "one billion, six hundred thirty million, one hundred forty-two thousand, sixty-four".