1641496326624 has 216 divisors, whose sum is σ = 5863941261360. Its totient is φ = 426362618880.

The previous prime is 1641496326581. The next prime is 1641496326641. The reversal of 1641496326624 is 4266236941461.

1641496326624 is a `hidden beast` number, since 1 + 6 + 4 + 1 + 4 + 9 + 6 + 3 + 2 + 6 + 624 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3120669 + ... + 3608540.

It is an arithmetic number, because the mean of its divisors is an integer number (27147876210).

Almost surely, 2^{1641496326624} is an apocalyptic number.

1641496326624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1641496326624 is an abundant number, since it is smaller than the sum of its proper divisors (4222444934736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1641496326624 is a wasteful number, since it uses less digits than its factorization.

1641496326624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729254 (or 6729232 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 1641496326624 in words is "one trillion, six hundred forty-one billion, four hundred ninety-six million, three hundred twenty-six thousand, six hundred twenty-four".