3290816665641 has 16 divisors (see below), whose sum is σ = 4767680061440. Its totient is φ = 2011365023760.

The previous prime is 3290816665639. The next prime is 3290816665681. The reversal of 3290816665641 is 1465666180923.

It is not a de Polignac number, because 3290816665641 - 2¹ = 3290816665639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3290816665681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931185745 + ... + 931189278.

It is an arithmetic number, because the mean of its divisors is an integer number (297980003840).

Almost surely, 2^{3290816665641} is an apocalyptic number.

3290816665641 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3290816665641 is a deficient number, since it is larger than the sum of its proper divisors (1476863395799).

3290816665641 is a wasteful number, since it uses less digits than its factorization.

3290816665641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862375076.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 3290816665641 in words is "three trillion, two hundred ninety billion, eight hundred sixteen million, six hundred sixty-five thousand, six hundred forty-one".