16611258488 has 48 divisors (see below), whose sum is σ = 35339398080. Its totient is φ = 7306992000.

The previous prime is 16611258481. The next prime is 16611258509. The reversal of 16611258488 is 88485211661.

It is a super-2 number, since 2×16611258488² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16611258481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246773 + ... + 306788.

It is an arithmetic number, because the mean of its divisors is an integer number (736237460).

Almost surely, 2^16611258488 is an apocalyptic number.

It is an amenable number.

16611258488 is an abundant number, since it is smaller than the sum of its proper divisors (18728139592).

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

16611258488 is a wasteful number, since it uses less digits than its factorization.

16611258488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553620 (or 553605 counting only the distinct ones).

The product of its digits is 737280, while the sum is 50.

The spelling of 16611258488 in words is "sixteen billion, six hundred eleven million, two hundred fifty-eight thousand, four hundred eighty-eight".