198697350000 has 120 divisors (see below), whose sum is σ = 641586279600. Its totient is φ = 52985920000.

The previous prime is 198697349971. The next prime is 198697350031. The reversal of 198697350000 is 53796891.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512325 + ... + 812324.

It is an arithmetic number, because the mean of its divisors is an integer number (5346552330).

Almost surely, 2^198697350000 is an apocalyptic number.

198697350000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198697350000 is an abundant number, since it is smaller than the sum of its proper divisors (442888929600).

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

198697350000 is an equidigital number, since it uses as much as digits as its factorization.

198697350000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324685 (or 1324659 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 198697350000 in words is "one hundred ninety-eight billion, six hundred ninety-seven million, three hundred fifty thousand".