1641053465 has 16 divisors (see below), whose sum is σ = 2075848320. Its totient is φ = 1241982720.

The previous prime is 1641053443. The next prime is 1641053483. The reversal of 1641053465 is 5643501461.

It is not a de Polignac number, because 1641053465 - 2¹² = 1641049369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57185 + ... + 80945.

It is an arithmetic number, because the mean of its divisors is an integer number (129740520).

Almost surely, 2^1641053465 is an apocalyptic number.

It is an amenable number.

1641053465 is a deficient number, since it is larger than the sum of its proper divisors (434794855).

1641053465 is a wasteful number, since it uses less digits than its factorization.

1641053465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24512.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1641053465 is about 40509.9181065576. The cubic root of 1641053465 is about 1179.5261587393.

The spelling of 1641053465 in words is "one billion, six hundred forty-one million, fifty-three thousand, four hundred sixty-five".