188412995485 has 16 divisors (see below), whose sum is σ = 265622797440. Its totient is φ = 126487045440.

The previous prime is 188412995479. The next prime is 188412995543. The reversal of 188412995485 is 584599214881.

It is not a de Polignac number, because 188412995485 - 2⁷ = 188412995357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131756625 + ... + 131758054.

It is an arithmetic number, because the mean of its divisors is an integer number (16601424840).

Almost surely, 2^188412995485 is an apocalyptic number.

It is an amenable number.

188412995485 is a deficient number, since it is larger than the sum of its proper divisors (77209801955).

188412995485 is a wasteful number, since it uses less digits than its factorization.

188412995485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263514708.

The product of its digits is 33177600, while the sum is 64.

The spelling of 188412995485 in words is "one hundred eighty-eight billion, four hundred twelve million, nine hundred ninety-five thousand, four hundred eighty-five".