1620654314 has 16 divisors (see below), whose sum is σ = 2513560896. Its totient is φ = 783170400.

The previous prime is 1620654289. The next prime is 1620654331. The reversal of 1620654314 is 4134560261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83582 + ... + 101129.

It is an arithmetic number, because the mean of its divisors is an integer number (157097556).

Almost surely, 2^1620654314 is an apocalyptic number.

1620654314 is a deficient number, since it is larger than the sum of its proper divisors (892906582).

1620654314 is a wasteful number, since it uses less digits than its factorization.

1620654314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184861.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1620654314 is about 40257.3510554284. The cubic root of 1620654314 is about 1174.6183916047.

The spelling of 1620654314 in words is "one billion, six hundred twenty million, six hundred fifty-four thousand, three hundred fourteen".