1689727520376 has 96 divisors (see below), whose sum is σ = 5230468214400. Its totient is φ = 482746132800.

The previous prime is 1689727520359. The next prime is 1689727520399. The reversal of 1689727520376 is 6730257279861.

1689727520376 is a `hidden beast` number, since 1 + 6 + 8 + 9 + 72 + 7 + 520 + 37 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7764651 + ... + 7979301.

It is an arithmetic number, because the mean of its divisors is an integer number (54484043900).

Almost surely, 2^{1689727520376} is an apocalyptic number.

It is an amenable number.

1689727520376 is an abundant number, since it is smaller than the sum of its proper divisors (3540740694024).

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

1689727520376 is a wasteful number, since it uses less digits than its factorization.

1689727520376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230289 (or 230282 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 1689727520376 in words is "one trillion, six hundred eighty-nine billion, seven hundred twenty-seven million, five hundred twenty thousand, three hundred seventy-six".