1630675120 has 20 divisors (see below), whose sum is σ = 3791319840. Its totient is φ = 652270016.

The previous prime is 1630675117. The next prime is 1630675121. The reversal of 1630675120 is 215760361.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1630675121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10191640 + ... + 10191799.

It is an arithmetic number, because the mean of its divisors is an integer number (189565992).

Almost surely, 2^1630675120 is an apocalyptic number.

1630675120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630675120 is an abundant number, since it is smaller than the sum of its proper divisors (2160644720).

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

1630675120 is a wasteful number, since it uses less digits than its factorization.

1630675120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20383452 (or 20383446 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1630675120 is about 40381.6185906410. The cubic root of 1630675120 is about 1177.0343799984.

The spelling of 1630675120 in words is "one billion, six hundred thirty million, six hundred seventy-five thousand, one hundred twenty".