1604632610 has 32 divisors (see below), whose sum is σ = 3303580032. Its totient is φ = 549722880.

The previous prime is 1604632573. The next prime is 1604632619. The reversal of 1604632610 is 162364061.

It is a happy number.

It is a super-4 number, since 4×1604632610⁴ (a number of 38 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1604632619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86849 + ... + 103691.

It is an arithmetic number, because the mean of its divisors is an integer number (103236876).

Almost surely, 2^1604632610 is an apocalyptic number.

1604632610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1604632610 is an abundant number, since it is smaller than the sum of its proper divisors (1698947422).

1604632610 is a wasteful number, since it uses less digits than its factorization.

1604632610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18218.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1604632610 is about 40057.8657694091. The cubic root of 1604632610 is about 1170.7348270645.

Adding to 1604632610 its reverse (162364061), we get a palindrome (1766996671).

The spelling of 1604632610 in words is "one billion, six hundred four million, six hundred thirty-two thousand, six hundred ten".