1630064532 has 48 divisors (see below), whose sum is σ = 3830504832. Its totient is φ = 539510400.

The previous prime is 1630064419. The next prime is 1630064539. The reversal of 1630064532 is 2354600361.

It is a super-2 number, since 2×1630064532² = 5314220756968758048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1630064532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630064539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1252282 + ... + 1253582.

It is an arithmetic number, because the mean of its divisors is an integer number (79802184).

Almost surely, 2^1630064532 is an apocalyptic number.

1630064532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630064532 is an abundant number, since it is smaller than the sum of its proper divisors (2200440300).

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

1630064532 is a wasteful number, since it uses less digits than its factorization.

1630064532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1630064532 is about 40374.0576608297. The cubic root of 1630064532 is about 1176.8874525533.

Adding to 1630064532 its reverse (2354600361), we get a palindrome (3984664893).

The spelling of 1630064532 in words is "one billion, six hundred thirty million, sixty-four thousand, five hundred thirty-two".