1641625010 has 8 divisors (see below), whose sum is σ = 2954925036. Its totient is φ = 656650000.

The previous prime is 1641625003. The next prime is 1641625031. The reversal of 1641625010 is 105261461.

It can be written as a sum of positive squares in 2 ways, for example, as 1519986169 + 121638841 = 38987^2 + 11029^2 .

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, 82081241 + ... + 82081260.

Almost surely, 2^1641625010 is an apocalyptic number.

1641625010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1641625010 is a deficient number, since it is larger than the sum of its proper divisors (1313300026).

1641625010 is a wasteful number, since it uses less digits than its factorization.

1641625010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164162508.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1641625010 is about 40516.9718759929. The cubic root of 1641625010 is about 1179.6630777050.

Adding to 1641625010 its reverse (105261461), we get a palindrome (1746886471).

The spelling of 1641625010 in words is "one billion, six hundred forty-one million, six hundred twenty-five thousand, ten".