16487494520 has 192 divisors, whose sum is σ = 44778497760. Its totient is φ = 5443200000.

The previous prime is 16487494493. The next prime is 16487494537. The reversal of 16487494520 is 2549478461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7323395 + ... + 7325645.

Almost surely, 2^16487494520 is an apocalyptic number.

16487494520 is a gapful number since it is divisible by the number (10) 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 16487494520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22389248880).

16487494520 is an abundant number, since it is smaller than the sum of its proper divisors (28291003240).

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

16487494520 is a wasteful number, since it uses less digits than its factorization.

16487494520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 16487494520 in words is "sixteen billion, four hundred eighty-seven million, four hundred ninety-four thousand, five hundred twenty".