1641075416 has 32 divisors (see below), whose sum is σ = 3260172240. Its totient is φ = 771760128.

The previous prime is 1641075379. The next prime is 1641075431. The reversal of 1641075416 is 6145701461.

It is a congruent number.

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, 272696 + ... + 278648.

Almost surely, 2^1641075416 is an apocalyptic number.

It is an amenable number.

1641075416 is a deficient number, since it is larger than the sum of its proper divisors (1619096824).

1641075416 is a wasteful number, since it uses less digits than its factorization.

1641075416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003 (or 7999 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1641075416 is about 40510.1890393022. The cubic root of 1641075416 is about 1179.5314178943.

Adding to 1641075416 its reverse (6145701461), we get a palindrome (7786776877).

The spelling of 1641075416 in words is "one billion, six hundred forty-one million, seventy-five thousand, four hundred sixteen".