16532767998 has 24 divisors (see below), whose sum is σ = 35825533536. Its totient is φ = 5510224800.

The previous prime is 16532767997. The next prime is 16532768027. The reversal of 16532767998 is 89976723561.

16532767998 is a `hidden beast` number, since 1 + 6 + 532 + 7 + 6 + 7 + 9 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16532767997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99483 + ... + 207273.

It is an arithmetic number, because the mean of its divisors is an integer number (1492730564).

Almost surely, 2^16532767998 is an apocalyptic number.

16532767998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16532767998 is an abundant number, since it is smaller than the sum of its proper divisors (19292765538).

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

16532767998 is a wasteful number, since it uses less digits than its factorization.

16532767998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116320 (or 116317 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 16532767998 in words is "sixteen billion, five hundred thirty-two million, seven hundred sixty-seven thousand, nine hundred ninety-eight".