1623664003390 has 320 divisors, whose sum is σ = 3637829905920. Its totient is φ = 516734400000.

The previous prime is 1623664003343. The next prime is 1623664003391. The reversal of 1623664003390 is 933004663261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623664003391) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 6468780765 + ... + 6468781015.

It is an arithmetic number, because the mean of its divisors is an integer number (11368218456).

Almost surely, 2^{1623664003390} is an apocalyptic number.

1623664003390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1623664003390 is an abundant number, since it is smaller than the sum of its proper divisors (2014165902530).

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

1623664003390 is a wasteful number, since it uses less digits than its factorization.

1623664003390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 1623664003390 in words is "one trillion, six hundred twenty-three billion, six hundred sixty-four million, three thousand, three hundred ninety".