188998782252152 has 16 divisors (see below), whose sum is σ = 361912561760160. Its totient is φ = 92488765782784.

The previous prime is 188998782252131. The next prime is 188998782252179. The reversal of 188998782252152 is 251252287899881.

It is a super-2 number, since 2×188998782252152² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251328167513 + ... + 251328168264.

It is an arithmetic number, because the mean of its divisors is an integer number (22619535110010).

Almost surely, 2^{188998782252152} is an apocalyptic number.

It is an amenable number.

188998782252152 is a deficient number, since it is larger than the sum of its proper divisors (172913779508008).

188998782252152 is a wasteful number, since it uses less digits than its factorization.

188998782252152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502656335830 (or 502656335826 counting only the distinct ones).

The product of its digits is 928972800, while the sum is 77.

The spelling of 188998782252152 in words is "one hundred eighty-eight trillion, nine hundred ninety-eight billion, seven hundred eighty-two million, two hundred fifty-two thousand, one hundred fifty-two".