1630925560 has 32 divisors (see below), whose sum is σ = 4003182000. Its totient is φ = 593063680.

The previous prime is 1630925509. The next prime is 1630925563. The reversal of 1630925560 is 655290361.

It is a super-2 number, since 2×1630925560² = 5319836364522627200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630925563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852885 + ... + 1853764.

Almost surely, 2^1630925560 is an apocalyptic number.

1630925560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630925560 is an abundant number, since it is smaller than the sum of its proper divisors (2372256440).

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

1630925560 is a wasteful number, since it uses less digits than its factorization.

1630925560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706671 (or 3706667 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 1630925560 is about 40384.7193874119. The cubic root of 1630925560 is about 1177.0946334474.

The spelling of 1630925560 in words is "one billion, six hundred thirty million, nine hundred twenty-five thousand, five hundred sixty".