16946398368 has 48 divisors (see below), whose sum is σ = 49426997760. Its totient is φ = 5648799168.

The previous prime is 16946398307. The next prime is 16946398411. The reversal of 16946398368 is 86389364961.

16946398368 is a `hidden beast` number, since 169 + 463 + 9 + 8 + 3 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9806080 + ... + 9807807.

It is an arithmetic number, because the mean of its divisors is an integer number (1029729120).

Almost surely, 2^16946398368 is an apocalyptic number.

16946398368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16946398368 is an abundant number, since it is smaller than the sum of its proper divisors (32480599392).

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

16946398368 is a wasteful number, since it uses less digits than its factorization.

16946398368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19613906 (or 19613892 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The spelling of 16946398368 in words is "sixteen billion, nine hundred forty-six million, three hundred ninety-eight thousand, three hundred sixty-eight".