1630147900 has 36 divisors (see below), whose sum is σ = 3543740200. Its totient is φ = 650894400.

The previous prime is 1630147891. The next prime is 1630147907. The reversal of 1630147900 is 97410361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630147907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42826 + ... + 71374.

Almost surely, 2^1630147900 is an apocalyptic number.

1630147900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630147900 is an abundant number, since it is smaller than the sum of its proper divisors (1913592300).

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

1630147900 is a wasteful number, since it uses less digits than its factorization.

1630147900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29134 (or 29127 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1630147900 is about 40375.0900927787. The cubic root of 1630147900 is about 1176.9075157836.

The spelling of 1630147900 in words is "one billion, six hundred thirty million, one hundred forty-seven thousand, nine hundred".