1624198660 has 96 divisors (see below), whose sum is σ = 4116752640. Its totient is φ = 525823488.

The previous prime is 1624198637. The next prime is 1624198673. The reversal of 1624198660 is 668914261.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 991362 + ... + 992998.

It is an arithmetic number, because the mean of its divisors is an integer number (42882840).

Almost surely, 2^1624198660 is an apocalyptic number.

1624198660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1624198660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058376320).

1624198660 is an abundant number, since it is smaller than the sum of its proper divisors (2492553980).

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

1624198660 is a wasteful number, since it uses less digits than its factorization.

1624198660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1624198660 is about 40301.3481164092. The cubic root of 1624198660 is about 1175.4740589018.

The spelling of 1624198660 in words is "one billion, six hundred twenty-four million, one hundred ninety-eight thousand, six hundred sixty".