1623411330576 has 160 divisors (see below), whose sum is σ = 4938229075968. Its totient is φ = 449945180160.

The previous prime is 1623411330523. The next prime is 1623411330577. The reversal of 1623411330576 is 6750331143261.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1623411330577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1329631 + ... + 2239361.

Almost surely, 2^{1623411330576} is an apocalyptic number.

1623411330576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1623411330576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2469114537984).

1623411330576 is an abundant number, since it is smaller than the sum of its proper divisors (3314817745392).

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

1623411330576 is a wasteful number, since it uses less digits than its factorization.

1623411330576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909909 (or 909903 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 1623411330576 in words is "one trillion, six hundred twenty-three billion, four hundred eleven million, three hundred thirty thousand, five hundred seventy-six".