1613728346 has 8 divisors (see below), whose sum is σ = 2525835744. Its totient is φ = 771783100.

The previous prime is 1613728327. The next prime is 1613728351. The reversal of 1613728346 is 6438273161.

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

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, 17540480 + ... + 17540571.

It is an arithmetic number, because the mean of its divisors is an integer number (315729468).

Almost surely, 2^1613728346 is an apocalyptic number.

1613728346 is a deficient number, since it is larger than the sum of its proper divisors (912107398).

1613728346 is a wasteful number, since it uses less digits than its factorization.

1613728346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35081076.

The product of its digits is 145152, while the sum is 41.

The square root of 1613728346 is about 40171.2377952186. The cubic root of 1613728346 is about 1172.9427338329.

The spelling of 1613728346 in words is "one billion, six hundred thirteen million, seven hundred twenty-eight thousand, three hundred forty-six".