1680897625607 has 8 divisors (see below), whose sum is σ = 1684394459136. Its totient is φ = 1677404379672.

The previous prime is 1680897625489. The next prime is 1680897625613. The reversal of 1680897625607 is 7065267980861.

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

It is a cyclic number.

It is not a de Polignac number, because 1680897625607 - 2²⁸ = 1680629190151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680897625637) 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, 42158 + ... + 1834004.

It is an arithmetic number, because the mean of its divisors is an integer number (210549307392).

Almost surely, 2^{1680897625607} is an apocalyptic number.

1680897625607 is a deficient number, since it is larger than the sum of its proper divisors (3496833529).

1680897625607 is a wasteful number, since it uses less digits than its factorization.

1680897625607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793797.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 1680897625607 in words is "one trillion, six hundred eighty billion, eight hundred ninety-seven million, six hundred twenty-five thousand, six hundred seven".