199602011670 has 64 divisors (see below), whose sum is σ = 494930165760. Its totient is φ = 51465168000.

The previous prime is 199602011629. The next prime is 199602011699. The reversal of 199602011670 is 76110206991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 977196 + ... + 1163664.

It is an arithmetic number, because the mean of its divisors is an integer number (7733283840).

Almost surely, 2^199602011670 is an apocalyptic number.

199602011670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 199602011670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247465082880).

199602011670 is an abundant number, since it is smaller than the sum of its proper divisors (295328154090).

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

199602011670 is a wasteful number, since it uses less digits than its factorization.

199602011670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187661.

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 199602011670 in words is "one hundred ninety-nine billion, six hundred two million, eleven thousand, six hundred seventy".