1641465741 has 16 divisors (see below), whose sum is σ = 2242003968. Its totient is φ = 1067761200.

The previous prime is 1641465737. The next prime is 1641465767. The reversal of 1641465741 is 1475641461.

It is not a de Polignac number, because 1641465741 - 2² = 1641465737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1641465741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641465731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29086 + ... + 64256.

It is an arithmetic number, because the mean of its divisors is an integer number (140125248).

Almost surely, 2^1641465741 is an apocalyptic number.

It is an amenable number.

1641465741 is a deficient number, since it is larger than the sum of its proper divisors (600538227).

1641465741 is a wasteful number, since it uses less digits than its factorization.

1641465741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35552.

The product of its digits is 80640, while the sum is 39.

The square root of 1641465741 is about 40515.0063680113. The cubic root of 1641465741 is about 1179.6249265166.

The spelling of 1641465741 in words is "one billion, six hundred forty-one million, four hundred sixty-five thousand, seven hundred forty-one".