1641004330 has 16 divisors (see below), whose sum is σ = 3375780480. Its totient is φ = 562630032.

The previous prime is 1641004319. The next prime is 1641004363. The reversal of 1641004330 is 334001461.

It is a super-2 number, since 2×1641004330² = 5385790422157497800, which contains 22 as substring.

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, 11721390 + ... + 11721529.

It is an arithmetic number, because the mean of its divisors is an integer number (210986280).

Almost surely, 2^1641004330 is an apocalyptic number.

1641004330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1641004330 is an abundant number, since it is smaller than the sum of its proper divisors (1734776150).

1641004330 is a wasteful number, since it uses less digits than its factorization.

1641004330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23442933.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1641004330 is about 40509.3116455958. The cubic root of 1641004330 is about 1179.5143865053.

Adding to 1641004330 its reverse (334001461), we get a palindrome (1975005791).

The spelling of 1641004330 in words is "one billion, six hundred forty-one million, four thousand, three hundred thirty".