3198651660 has 96 divisors (see below), whose sum is σ = 10536765120. Its totient is φ = 802796544.

The previous prime is 3198651649. The next prime is 3198651661. The reversal of 3198651660 is 661568913.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3198651661) 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 31 ways as a sum of consecutive naturals, for example, 165039 + ... + 183398.

It is an arithmetic number, because the mean of its divisors is an integer number (109757970).

Almost surely, 2^3198651660 is an apocalyptic number.

3198651660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3198651660 is an abundant number, since it is smaller than the sum of its proper divisors (7338113460).

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

3198651660 is a wasteful number, since it uses less digits than its factorization.

3198651660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348472 (or 348464 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 3198651660 is about 56556.6234847873. The cubic root of 3198651660 is about 1473.4055984201.

The spelling of 3198651660 in words is "three billion, one hundred ninety-eight million, six hundred fifty-one thousand, six hundred sixty".