16498651455 has 144 divisors (see below), whose sum is σ = 34897603104. Its totient is φ = 7381912320.

The previous prime is 16498651451. The next prime is 16498651469. The reversal of 16498651455 is 55415689461.

It is a happy number.

16498651455 is a `hidden beast` number, since 1 + 6 + 49 + 86 + 514 + 5 + 5 = 666.

It is not a de Polignac number, because 16498651455 - 2² = 16498651451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16498651451) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4689357 + ... + 4692873.

It is an arithmetic number, because the mean of its divisors is an integer number (242344466).

Almost surely, 2^16498651455 is an apocalyptic number.

16498651455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16498651455 is an abundant number, since it is smaller than the sum of its proper divisors (18398951649).

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

16498651455 is an equidigital number, since it uses as much as digits as its factorization.

16498651455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 3549 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The spelling of 16498651455 in words is "sixteen billion, four hundred ninety-eight million, six hundred fifty-one thousand, four hundred fifty-five".