1623330648 has 24 divisors (see below), whose sum is σ = 4396520700. Its totient is φ = 541110192.

The previous prime is 1623330623. The next prime is 1623330649. The reversal of 1623330648 is 8460333261.

1623330648 is a `hidden beast` number, since 1 + 6 + 2 + 3 + 3 + 3 + 0 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623330649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11273058 + ... + 11273201.

Almost surely, 2^1623330648 is an apocalyptic number.

1623330648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1623330648 is an abundant number, since it is smaller than the sum of its proper divisors (2773190052).

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

1623330648 is a wasteful number, since it uses less digits than its factorization.

1623330648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22546271 (or 22546264 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 1623330648 is about 40290.5776578098. The cubic root of 1623330648 is about 1175.2646207687.

The spelling of 1623330648 in words is "one billion, six hundred twenty-three million, three hundred thirty thousand, six hundred forty-eight".