1630681060 has 24 divisors (see below), whose sum is σ = 3426700536. Its totient is φ = 651840000.

The previous prime is 1630681037. The next prime is 1630681067. The reversal of 1630681060 is 601860361.

It can be written as a sum of positive squares in 4 ways, for example, as 459684 + 1630221376 = 678^2 + 40376^2 .

It is a super-3 number, since 3×1630681060³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1630681067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810 + ... + 57310.

It is an arithmetic number, because the mean of its divisors is an integer number (142779189).

Almost surely, 2^1630681060 is an apocalyptic number.

1630681060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630681060 is an abundant number, since it is smaller than the sum of its proper divisors (1796019476).

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

1630681060 is a wasteful number, since it uses less digits than its factorization.

1630681060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54063 (or 54061 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1630681060 is about 40381.6921388889. The cubic root of 1630681060 is about 1177.0358091765.

The spelling of 1630681060 in words is "one billion, six hundred thirty million, six hundred eighty-one thousand, sixty".