16923487237552 has 120 divisors (see below), whose sum is σ = 39562222355712. Its totient is φ = 6868984636800.

The previous prime is 16923487237519. The next prime is 16923487237561. The reversal of 16923487237552 is 25573278432961.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128952927 + ... + 129084097.

Almost surely, 2^{16923487237552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16923487237552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19781111177856).

16923487237552 is an abundant number, since it is smaller than the sum of its proper divisors (22638735118160).

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

16923487237552 is a wasteful number, since it uses less digits than its factorization.

16923487237552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134415 (or 134390 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 64.

The spelling of 16923487237552 in words is "sixteen trillion, nine hundred twenty-three billion, four hundred eighty-seven million, two hundred thirty-seven thousand, five hundred fifty-two".