698160612521 has 8 divisors (see below), whose sum is σ = 704483560704. Its totient is φ = 691863955920.

The previous prime is 698160612469. The next prime is 698160612547. The reversal of 698160612521 is 125216061896.

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 698160612521 - 2³⁴ = 680980743337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (698160612551) 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, 6519545 + ... + 6625766.

It is an arithmetic number, because the mean of its divisors is an integer number (88060445088).

Almost surely, 2^698160612521 is an apocalyptic number.

It is an amenable number.

698160612521 is a deficient number, since it is larger than the sum of its proper divisors (6322948183).

698160612521 is a wasteful number, since it uses less digits than its factorization.

698160612521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145791.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 698160612521 in words is "six hundred ninety-eight billion, one hundred sixty million, six hundred twelve thousand, five hundred twenty-one".