1698916372 has 12 divisors (see below), whose sum is σ = 3006509940. Its totient is φ = 839913536.

The previous prime is 1698916291. The next prime is 1698916381. The reversal of 1698916372 is 2736198961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 894967056 + 803949316 = 29916^2 + 28354^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385763 + ... + 2386474.

It is an arithmetic number, because the mean of its divisors is an integer number (250542495).

Almost surely, 2^1698916372 is an apocalyptic number.

It is an amenable number.

1698916372 is a deficient number, since it is larger than the sum of its proper divisors (1307593568).

1698916372 is a wasteful number, since it uses less digits than its factorization.

1698916372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772330 (or 4772328 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The square root of 1698916372 is about 41217.9132416963. The cubic root of 1698916372 is about 1193.2295513989.

The spelling of 1698916372 in words is "one billion, six hundred ninety-eight million, nine hundred sixteen thousand, three hundred seventy-two".