698171616 has 96 divisors (see below), whose sum is σ = 2086106400. Its totient is φ = 227036160.

The previous prime is 698171599. The next prime is 698171627. The reversal of 698171616 is 616171896.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25570 + ... + 45278.

It is an arithmetic number, because the mean of its divisors is an integer number (21730275).

Almost surely, 2^698171616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698171616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043053200).

698171616 is an abundant number, since it is smaller than the sum of its proper divisors (1387934784).

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

698171616 is a wasteful number, since it uses less digits than its factorization.

698171616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19769 (or 19755 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 698171616 is about 26422.9373083312. The cubic root of 698171616 is about 887.1302660385.

The spelling of 698171616 in words is "six hundred ninety-eight million, one hundred seventy-one thousand, six hundred sixteen".