199620234052386 has 64 divisors (see below), whose sum is σ = 472012948270080. Its totient is φ = 55067124248640.

The previous prime is 199620234052289. The next prime is 199620234052409. The reversal of 199620234052386 is 683250432026991.

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, 136530465 + ... + 137984811.

It is an arithmetic number, because the mean of its divisors is an integer number (7375202316720).

Almost surely, 2^{199620234052386} is an apocalyptic number.

199620234052386 is an abundant number, since it is smaller than the sum of its proper divisors (272392714217694).

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

199620234052386 is a wasteful number, since it uses less digits than its factorization.

199620234052386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567079.

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 199620234052386 in words is "one hundred ninety-nine trillion, six hundred twenty billion, two hundred thirty-four million, fifty-two thousand, three hundred eighty-six".