698616061 has 16 divisors (see below), whose sum is σ = 849058560. Its totient is φ = 566032320.

The previous prime is 698616047. The next prime is 698616133. The reversal of 698616061 is 160616896.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 698616061 - 2⁵ = 698616029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 698615999 and 698616017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698616011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80085 + ... + 88378.

It is an arithmetic number, because the mean of its divisors is an integer number (53066160).

Almost surely, 2^698616061 is an apocalyptic number.

It is an amenable number.

698616061 is a deficient number, since it is larger than the sum of its proper divisors (150442499).

698616061 is a wasteful number, since it uses less digits than its factorization.

698616061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168516.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 698616061 is about 26431.3461821376. The cubic root of 698616061 is about 887.3184704701.

The spelling of 698616061 in words is "six hundred ninety-eight million, six hundred sixteen thousand, sixty-one".