188725390405696 has 21 divisors (see below), whose sum is σ = 374502164672989. Its totient is φ = 94362640251904.

The previous prime is 188725390405661. The next prime is 188725390405711. The reversal of 188725390405696 is 696504093527881.

The square root of 188725390405696 is 13737736.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 165035131560000 + 23690258845696 = 12846600^2 + 4867264^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 109043280 + ... + 110760496.

It is a 1-persistent number, because it is pandigital, but 2⋅188725390405696 = 377450780811392 is not.

Almost surely, 2^{188725390405696} is an apocalyptic number.

188725390405696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

188725390405696 is the 13737736-th square number.

It is an amenable number.

188725390405696 is a deficient number, since it is larger than the sum of its proper divisors (185776774267293).

188725390405696 is an frugal number, since it uses more digits than its factorization.

188725390405696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434446 (or 1717219 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 73.

The spelling of 188725390405696 in words is "one hundred eighty-eight trillion, seven hundred twenty-five billion, three hundred ninety million, four hundred five thousand, six hundred ninety-six".