1623640303464 has 16 divisors (see below), whose sum is σ = 4059100758720. Its totient is φ = 541213434480.

The previous prime is 1623640303403. The next prime is 1623640303487. The reversal of 1623640303464 is 4643030463261.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33825839632 + ... + 33825839679.

It is an arithmetic number, because the mean of its divisors is an integer number (253693797420).

Almost surely, 2^{1623640303464} is an apocalyptic number.

It is an amenable number.

1623640303464 is an abundant number, since it is smaller than the sum of its proper divisors (2435460455256).

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

1623640303464 is a wasteful number, since it uses less digits than its factorization.

1623640303464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67651679320 (or 67651679316 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 42.

The spelling of 1623640303464 in words is "one trillion, six hundred twenty-three billion, six hundred forty million, three hundred three thousand, four hundred sixty-four".