1680835627497 has 8 divisors (see below), whose sum is σ = 2413507567744. Its totient is φ = 1034360386128.

The previous prime is 1680835627489. The next prime is 1680835627561. The reversal of 1680835627497 is 7947265380861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1680835627497 - 2³ = 1680835627489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1680835627487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21549174673 + ... + 21549174750.

It is an arithmetic number, because the mean of its divisors is an integer number (301688445968).

It is a 1-persistent number, because it is pandigital, but 2⋅1680835627497 = 3361671254994 is not.

Almost surely, 2^{1680835627497} is an apocalyptic number.

It is an amenable number.

1680835627497 is a deficient number, since it is larger than the sum of its proper divisors (732671940247).

1680835627497 is a wasteful number, since it uses less digits than its factorization.

1680835627497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43098349439.

The product of its (nonzero) digits is 121927680, while the sum is 66.

The spelling of 1680835627497 in words is "one trillion, six hundred eighty billion, eight hundred thirty-five million, six hundred twenty-seven thousand, four hundred ninety-seven".