65541083690 has 8 divisors (see below), whose sum is σ = 117973950660. Its totient is φ = 26216433472.

The previous prime is 65541083687. The next prime is 65541083743. The reversal of 65541083690 is 9638014556.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62786828329 + 2754255361 = 250573^2 + 52481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×65541083690² (a number of 22 digits) contains 22 as substring.

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, 3277054175 + ... + 3277054194.

Almost surely, 2^65541083690 is an apocalyptic number.

65541083690 is a deficient number, since it is larger than the sum of its proper divisors (52432866970).

65541083690 is a wasteful number, since it uses less digits than its factorization.

65541083690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554108376.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 65541083690 in words is "sixty-five billion, five hundred forty-one million, eighty-three thousand, six hundred ninety".