525381106666516 has 12 divisors (see below), whose sum is σ = 919419633498688. Its totient is φ = 262689782809752.

The previous prime is 525381106666439. The next prime is 525381106666517. The reversal of 525381106666516 is 615666601183525.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525381106666517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191095356 + ... + 193825171.

Almost surely, 2^{525381106666516} is an apocalyptic number.

It is an amenable number.

525381106666516 is a deficient number, since it is larger than the sum of its proper divisors (394038526832172).

525381106666516 is a wasteful number, since it uses less digits than its factorization.

525381106666516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385261758 (or 385261756 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 525381106666516 in words is "five hundred twenty-five trillion, three hundred eighty-one billion, one hundred six million, six hundred sixty-six thousand, five hundred sixteen".