16955497408 has 56 divisors (see below), whose sum is σ = 34944710400. Its totient is φ = 8156652288.

The previous prime is 16955497393. The next prime is 16955497409. The reversal of 16955497408 is 80479455961.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16955497409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129703 + ... + 225241.

Almost surely, 2^16955497408 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 16955497408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17472355200).

16955497408 is an abundant number, since it is smaller than the sum of its proper divisors (17989212992).

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

16955497408 is an equidigital number, since it uses as much as digits as its factorization.

16955497408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95657 (or 95647 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 16955497408 in words is "sixteen billion, nine hundred fifty-five million, four hundred ninety-seven thousand, four hundred eight".