16977077961 has 16 divisors (see below), whose sum is σ = 23927193600. Its totient is φ = 10677493008.

The previous prime is 16977077951. The next prime is 16977077963.

16977077961 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 16977077961 - 2¹⁰ = 16977076937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16977077895 and 16977077904.

It is not an unprimeable number, because it can be changed into a prime (16977077963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609481 + ... + 636726.

It is an arithmetic number, because the mean of its divisors is an integer number (1495449600).

Almost surely, 2^16977077961 is an apocalyptic number.

It is an amenable number.

16977077961 is a deficient number, since it is larger than the sum of its proper divisors (6950115639).

16977077961 is a wasteful number, since it uses less digits than its factorization.

16977077961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246468.

The product of its (nonzero) digits is 7001316, while the sum is 60.

The spelling of 16977077961 in words is "sixteen billion, nine hundred seventy-seven million, seventy-seven thousand, nine hundred sixty-one".