16977440658 has 8 divisors (see below), whose sum is σ = 33954881328. Its totient is φ = 5659146884.

The previous prime is 16977440647. The next prime is 16977440659. The reversal of 16977440658 is 85604477961.

It is a sphenic number, since it is the product of 3 distinct primes.

16977440658 is an admirable number.

It is a super-2 number, since 2×16977440658² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16977440598 and 16977440607.

It is not an unprimeable number, because it can be changed into a prime (16977440659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414786716 + ... + 1414786727.

It is an arithmetic number, because the mean of its divisors is an integer number (4244360166).

Almost surely, 2^16977440658 is an apocalyptic number.

16977440658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16977440658 is a wasteful number, since it uses less digits than its factorization.

16977440658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829573448.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 16977440658 in words is "sixteen billion, nine hundred seventy-seven million, four hundred forty thousand, six hundred fifty-eight".