1641054116 has 12 divisors (see below), whose sum is σ = 3092755932. Its totient is φ = 757409568.

The previous prime is 1641054113. The next prime is 1641054133. The reversal of 1641054116 is 6114501461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1001975716 + 639078400 = 31654^2 + 25280^2 .

It is a super-2 number, since 2×1641054116² = 5386117223281082912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1641054113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15779315 + ... + 15779418.

It is an arithmetic number, because the mean of its divisors is an integer number (257729661).

Almost surely, 2^1641054116 is an apocalyptic number.

It is an amenable number.

1641054116 is a deficient number, since it is larger than the sum of its proper divisors (1451701816).

1641054116 is a wasteful number, since it uses less digits than its factorization.

1641054116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31558750 (or 31558748 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1641054116 is about 40509.9261416261. The cubic root of 1641054116 is about 1179.5263147106.

Adding to 1641054116 its reverse (6114501461), we get a palindrome (7755555577).

The spelling of 1641054116 in words is "one billion, six hundred forty-one million, fifty-four thousand, one hundred sixteen".