16906847428 has 12 divisors (see below), whose sum is σ = 29858423980. Its totient is φ = 8375869152.

The previous prime is 16906847423. The next prime is 16906847437. The reversal of 16906847428 is 82474860961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13762105344 + 3144742084 = 117312^2 + 56078^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16906847423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19388151 + ... + 19389022.

Almost surely, 2^16906847428 is an apocalyptic number.

It is an amenable number.

16906847428 is a deficient number, since it is larger than the sum of its proper divisors (12951576552).

16906847428 is a wasteful number, since it uses less digits than its factorization.

16906847428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38777286 (or 38777284 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 16906847428 in words is "sixteen billion, nine hundred six million, eight hundred forty-seven thousand, four hundred twenty-eight".