1604149930 has 8 divisors (see below), whose sum is σ = 2887469892. Its totient is φ = 641659968.

The previous prime is 1604149919. The next prime is 1604149949. The reversal of 1604149930 is 399414061.

It can be written as a sum of positive squares in 2 ways, for example, as 1603922401 + 227529 = 40049^2 + 477^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1604149930.

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, 80207487 + ... + 80207506.

Almost surely, 2^1604149930 is an apocalyptic number.

1604149930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1604149930 is a deficient number, since it is larger than the sum of its proper divisors (1283319962).

1604149930 is a wasteful number, since it uses less digits than its factorization.

1604149930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160415000.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1604149930 is about 40051.8405319905. The cubic root of 1604149930 is about 1170.6174280302.

The spelling of 1604149930 in words is "one billion, six hundred four million, one hundred forty-nine thousand, nine hundred thirty".