16946948977 has 12 divisors (see below), whose sum is σ = 20440960896. Its totient is φ = 13761430200.

The previous prime is 16946948971. The next prime is 16946949011. The reversal of 16946948977 is 77984964961.

It is not a de Polignac number, because 16946948977 - 2²³ = 16938560369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16946948971) 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, 3350649 + ... + 3355702.

It is an arithmetic number, because the mean of its divisors is an integer number (1703413408).

Almost surely, 2^16946948977 is an apocalyptic number.

It is an amenable number.

16946948977 is a deficient number, since it is larger than the sum of its proper divisors (3494011919).

16946948977 is an equidigital number, since it uses as much as digits as its factorization.

16946948977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706396 (or 6706377 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 70.

The spelling of 16946948977 in words is "sixteen billion, nine hundred forty-six million, nine hundred forty-eight thousand, nine hundred seventy-seven".