16779051 has 18 divisors (see below), whose sum is σ = 25749932. Its totient is φ = 10526400.

The previous prime is 16779041. The next prime is 16779053. The reversal of 16779051 is 15097761.

It is not a de Polignac number, because 16779051 - 2¹⁷ = 16647979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16778997 and 16779015.

It is not an unprimeable number, because it can be changed into a prime (16779053) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 625 + ... + 5826.

Almost surely, 2^16779051 is an apocalyptic number.

16779051 is a deficient number, since it is larger than the sum of its proper divisors (8970881).

16779051 is a wasteful number, since it uses less digits than its factorization.

16779051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491 (or 6471 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 16779051 is about 4096.2239928988. The cubic root of 16779051 is about 256.0093329524.

The spelling of 16779051 in words is "sixteen million, seven hundred seventy-nine thousand, fifty-one".