1608069698 has 8 divisors (see below), whose sum is σ = 2415857808. Its totient is φ = 802783764.

The previous prime is 1608069647. The next prime is 1608069719. The reversal of 1608069698 is 8969608061.

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

It is a super-2 number, since 2×1608069698² = 5171776307251622408, which contains 22 as substring.

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, 623936 + ... + 626507.

It is an arithmetic number, because the mean of its divisors is an integer number (301982226).

Almost surely, 2^1608069698 is an apocalyptic number.

1608069698 is a deficient number, since it is larger than the sum of its proper divisors (807788110).

1608069698 is a wasteful number, since it uses less digits than its factorization.

1608069698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251088.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 1608069698 is about 40100.7443571812. The cubic root of 1608069698 is about 1171.5701270922.

The spelling of 1608069698 in words is "one billion, six hundred eight million, sixty-nine thousand, six hundred ninety-eight".